Sipnews

sipnews

- the voice of the UK SIP industry

the magazine from the UKSIP Association

UKSIP Association signgroundbreaking TimberAccord collaborationagreement

Fabric First Event report,industry news andtechnical updates

Feature Article: the route tothermal efficiency and lowenergy homes using SIPS

SIPS Industries picks upthe Best Use of SIPSAward at the Build ItAwards 2012

Welcome to the first issue of SIP News Magazine – the newcommunication channel from theUK SIP Association - providingyou with the latest updates anddevelopments in the low energybuilding arena.

It is fair to say that theconstruction industry haswitnessed a significant rise inthe use of Structural InsulatedPanels for use in the erection ofboth residential and commercialbuildings in recent times, withour members stating growthfigures of around 26 to 32% andstill climbing! It seems like wehave waited a long time forinterest levels to hit a constantupward trajectory but now that‘fabric first’ principles areunderstood and being adopted it appears that SIPS technologyhas finally broken through intothe mainstream.

SIP construction provides verythermally efficient buildings witha much improved air tightness,

contributing significantly toenergy conservation and carbonreduction, whilst providingexcellent performance whenassessed against the Code for Sustainable Homes andPassivhaus principles. Inaddition to these features, whenusing structural insulated panelsin conjunction with concrete orsteel framed building techniques,for infill or cladding, theimprovements in the speed ofconstruction are significant too.

The UK SIP Association wasincorporated in April 2009 andhas grown in line with demand,responding to technicalchallenges that may occur withmodern building techniques,provide information required bythe market on SIP constructionin a broader context andcommunicating to members theinfluences and issues that mayimpact the SIP industry. We aremoving in to a new phase withthe launch of SIP Newsmagazine.

We would encourage anyoneassociated with SIP supply or manufacture, specification,design or construction toengage with us via our website -www.uksips.org. We have awealth of information online plusmember search tools, casestudies, technical bulletins, a project enquiry system andmuch more! This SIP Newsmagazine is an informationresource for updates, reviews and SIPS industry intel!

We hope you enjoy theread…and would appreciate yourfeedback on this maiden SIPNews issue via [email protected]

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Best Regards

Charles StewartChairmanUK SIP Association

Contents

Industry News .................................................................................................... 4 - 7

Timber Accord ................................................................................................ 8 - 10

Toolbox Talks ..........................................................................................................10

SIPS Technology ............................................................................................12 - 17

The Future of Low Energy Construction ............................................................18

UKSIP Association Membership .........................................................................19

Fabric First Event .................................................................................................. 21

SIPS in Action ............................................................................................... 22 - 24

Technical Bulletins ............................................................................................... 26

The views expressed in SIP News are not necessarily those of the UK SIPS Association. (Cover image courtesy of Innovaré - HABM Mayfield Road)

SIPS Industries ScoopIndustry AwardSIPS Industries recently pickedup the Best Use of SIPS Awardat the Build It Awards 2012. The Judges commented: “The winning project combineda characterful oak frame withhighly insulated panels, as well as solar PV and thermalsystems. The result is a homethat’s so energy efficient, arecovery system is the primaryheating source.”

The overall design concept wasto create a simple, elegant four-bedroom family house capableof future adaptations withminimal fuss. The contemporaryoak frame uses a SIPS wall and roof system to ‘cloak’ the building with an incrediblyefficient thermal shell. The result is a dramatic and excitinginterior space within a highlyinsulated building.

www.self-build.co.ukwww.sipsindustries.com


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industry news

Innovaré Systems has beenappointed by InterserveConstruction to start work on anextension to Rowley Hall PrimarySchool, in Rowley Regis, WestMidlands. The new £3 millionschool building for SandwellMetropolitan Borough Councilwill be built using SIPS and ispart of the Council’s £7 millionschools building programme.The new 1,500 sqm (16,145sqft)building will provide newclassrooms, group teachingspaces, a nursery and a newkitchen for the school.

The building has been designedby the Authority’s in-housearchitectural team and is a mixof one and two-storey buildingswith pitched and flat roofs.

Innovaré is supplying the 162mmwall panels, and 373mm floorjoists with a 22mm acousticdeck, as well as providing tworoof variations – the flat roof isstandard trusses with a ply topdeck. The pitched roof isstandard trusses with 162mm i-SIPS panels seated on top.

Peter Blunt, Managing Directorat Innovaré, said:

“The extension to the school willhelp accommodate additionalprimary school places. It meansthat the school will be able tooperate a new three form entrysystem, and will also help createup to thirty new jobs.”Completion at all three sites isexpected for August 2013.

www.ismanufacturing.co.uk

Clients, installers and stockistswill benefit from the KnaufPlasterboard range, developedby Knauf to offer a wider rangeof performance options from asmaller number of board typeswhile introducing two highperformance products fordemanding commercialapplications – KnaufPerformance Plus and Knauf Soundshield Plus.

Where specifications require a level of sound, fire, moisture,vapour or impact resistance,over and above standardplasterboard then Knauf ’s‘Panel’ product groups will help.Knauf Vapour Panel – previouslyVapourshield – has a metalisedpolyester foil laminated to theback face to create an effectivevapour barrier for lining external walls.

Developed to meet ApprovedDocument E in residentialapplications, 12.5mm KnaufSound Panel is the latestaddition to the Panel group

of boards and gives a higherlevel of sound performance thanstandard wallboard thanks to itsminimum density of 10kg/m²making it ideal for residentialprojects where ApprovedDocument E recommends aminimum weight of 10kg/m².

www.knaufinsulation.co.uk

New Plasterboard to Benefit SIPS Build

Sandwell Schools Given SIPS Boost

A new guide by the NHBCFoundation advises that afundamental review of housingdesign is needed if the UK is toproduce successful low carbonhomes for the future.

The NHBC Foundation guideDesigning homes for the 21stCentury – lessons for low energydesign explores the challengesof designing zero carbon homesand helps identify the processesneeded to achieve cost effectiveand practical design. It finds thatcurrent design and procurementpractices need to change ifthese are to be addressed.

With new homes containingmore technology than ever

before, the housebuildingindustry faces unprecedentedchallenges to build homes thatachieve zero carbonperformance whilst providing acomfortable and healthy indoorenvironment. There are concernsthat new technology may not bedelivering to its full potential andthe drive to conserve energycould inadvertently invite otherproblems such as overheatingand poor indoor air quality.

The aim of the guide is topromote a better understandingof the 'whole' without gettingdrawn into the detail of specifictechnological solutions orregulations, proposing a modelfor planning new homes that

splits into four stages:evaluation, best practice,integration and optimisation. It advocates a 'fabric first'approach making sure thatinsulation, airtightness andventilation are designed to givethe best practical performancebefore low carbon technologiesare applied.

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NHBC Advocate Fabric First

www.nhbcfoundation.org/21stCenturyhomes

The UK SIP Association run a series of collaborative Fabric First events with the UKTFA - for more details or to pre-register for the next event visit www.fabricfirstevent.co.uk


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Two of the UK’sleading timberevents will rubshoulders in2014. As the

UK’s national timber event,Timber Expo relocates to theNEC, Birmingham for 2013,event organisers TRADATechnology announce that in 2014, Timber Expo will be co-locating with the W14exhibition. The initiative will besupported by a joint marketingcampaign to highlight thefurther increased opportunitiesand value for exhibitors andvisitors alike.

Timber Expo Event Director,Loretta Sales comments;“Collaboration has always beenat the core of Timber Expo. The move of Timber Expo to theNEC in 2013 is a major steppingstone for the show, but thecollaboration with W14 in 2014will add a further dynamic andpermit visitors to both shows tomaximum their time investment.Timber Expo is 70% sold for2013 and we are adding lots ofnew content in terms of featuresand seminar programmes.”

Angela McGowan, exhibitiondirector of W14 added: “Both shows obviously have their

unique focus in the industry –W14 is the UK event for thejoinery and furnituremanufacturing industries andTimber Expo provides the focalpoint for specifiers, engineersand architects focusing onsustainable applications fortimber technology in the builtenvironment. This move is greatnews for the many visitors whowould like to see both shows in a single visit.’’

www.timber-expo.co.uk

Over in the USA, SIPS have been used by world-renownedarchitect Frank Gehry tosustainably rebuild over 150homes in the Lower Ninth Wardof New Orleans. After touring thestorm-damaged neighborhood,actor and activist Brad Pittpartnered with architecture firmMcDonough + Partners to foundMake it Right. A major goal ofthe non-profit organisation wasto construct each home in anaffordable and sustainable way.All Make It Right homes areLEED Platinum certified—thehighest level under the USGreen Building Council’s greenbuilding rating system. The 1,780sqft. duplex is one of only 22Gehry residences in the UnitedStates.After experimenting withseveral different framingsolutions, Make It Right settledon SIPS from SIPS Team USA astheir preferred building method.Their homes built with a SIPbuilding envelope have HERSindexes in the range of 17 to 24,about 80% more energy-efficientthan a home built to US buildingcodes. www.sips.org

Frank Gehry & Make It Rightchoose SIPS

Timber Expo and W14 co-locate for 2014

Image © Chad ChenierPhotography / Make It Right

industry news

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New functions include:

• New Enquiry system enabling users to search for SIPS members in their local area using the postcode tracker

• Downloadable pack of Technical Bulletins written by TRADA

• Case Studies submitted by our members in the Case Study library

• Newsroom feature with up to date industry news, upcomingevents and announcements

• New 'Members Area' giving members the opportunity to contribute to discussions and post new topics of interest

Project EnquiriesIf you have a live project and are considering using SIPStechnology, you can submit

an enquiry via our online enquirysystem and our members willcontact you directly to discussyour requirements, offer adviceor simply send you informationon SIPS.

UKSIPSWebsiteUpgradedThe Association websitehas been given addedfunctionality with someexciting new featuresand elements.

For more information aboutthe Association or the SIPSindustry contact us:[email protected] orvisit www.uksips.org

SIPCO designed and manufactured the 3000 sqft single-storey residence with the entire structure built from150mm SIPS for external and internal walls. The Fabric First approach working alongside a highly efficientboiler, positive ventilation and a heat recovery system drove down energy usage to give an annual 2011/2012Gas bill of only £624.71.

www.thesipcompany.com

Energy EfficiencySIPCO created a stunning contemporary family home in Cheshire using SIPSas the main construction method.


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The UKSIP Association in collaboration with 11 influential

trade associations within the timber sector will be taking

part in the Timber Accord Pavilion later this year at

Timber Expo 2013, at the NEC, Birmingham.

Situated at the heart of Timber Expo on the main exhibition floor, this will be a unique and unrivalledopportunity to touch base with prospective new business partners and promote the use of SIPStechnology to a wide visitor base including architects, specifiers and housing developers. For thoseunfamiliar with this positive step towards joined-up working across the timber and wider constructionindustry, the Accord’s Common Goals and Objectives and all those involved are outlined here…

TIMBER

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Twelve trade bodies representing the supply chain of the forestry and timber industries have signed aworking agreement to improve the competitivenessand performance across the timber sector.

The Accord was signed at the offices of the TimberTrade Federation last year by the Chief Executives ofeach of the Associations. It commits each to workingtogether in areas of common interest and strategicgoals, in particular to ensure that stakeholders see a joined up, collaborative approach and that best use is made of available funding and resources.

Implicit in this objective is an industry focus oncustomer needs and a drive for continual improvementin performance. The Accord establishes a frameworkand methods of working between the signatories toachieve its objectives.

John White, Chief Executive of the Timber TradeFederation, said: “This Accord formalises what wehave often done on an informal basis – work togetherfor the common good of the sector and our

customers. The UK timber industry is worth roughly£10 billion a year – bigger than cement, concrete anda lot of other materials – and plays a vital role in oureconomy. Yet it can often seem overlooked as this issplit between over 7500 small firms. This Accord willhelp us to act as one and show the importance of oursector to the UK economic recovery and low-carbondevelopment.”

Charles Stewart, Chair of the UKSIP Association and John White,Chief Executive of the Timber Trade Federation at the signing of the Timber Accord’

Can you afford to miss the timber business opportunity of the year?Visit www.timber-expo.co.uk

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The Three Accord Principles:

The signatories of the UK TimberIndustries Associations' Accord agree to:

1. Work together on timberrepresentation, promotion and marketdevelopment activity whenever it is feasible to do so. The timberindustry needs to work together in complementary and mutually supportive ways to achieve maximum impact from its resources.

2. Endorse and support to the best of their abilities any initiative by anysignatory to this Accord that is in line with this objective.

3. Recognise the close relationshipthat each signatory has with its own community and to use these close relationships to best effect when planning and undertaking any new initiative or activity. Signatories undertake to consider theopportunities from working with othersin order to share resources and costsand to extend outreach and impact.

The Signatories of the Accord are:

Iain Mcilwee, Chief Executive, British Woodworking Federation

Stuart Goodall, Chief Executive Confor

John Dye, President TimberPackaging and Pallet Confederation

Andrew Abbott, Chief Executive, Timber Research and DevelopmentAssociation (TRADA)

John White, Chief Executive, Timber Trade Federation

Nick Boulton, Director, Trussed Rafter Association

David Sulman, Director, UK Forest Products Association

Andrew Carpenter, Chief Executive, UK Timber Frame Association

David Hopkins, Director, Wood for Good

Alastair Kerr, Director General, Wood Panel Industries Federation

Steve Young, Wood ProtectionAssociation & Timber Cladding and Decking Association

Charles Stewart, Chairman, UKSIP Association

Timber Expo will play host tothe most in-depth programme ofFREE seminars and workshopsdedicated to timber technology.For 2013 a new section of CPD presentations calledToolboxTalks has been added.These will focus on the detail of processes, technologies and solutions on display at the show.

From manufacturing process to onsite engineering solutions,Toolbox Talks will complementthe Timber Talks in the mainseminar theatres and will beheld in a purpose built 30 seatpresentation theatre which isexclusive to exhibitors at Timber Expo.

Submit Your PresentationProposal NOW. Deadline: 28 June 2013

In your email you shouldinclude:

• Talk title/focus and target audience

• An abstract of no more than a 100 words

• Speaker name, job title and name of organisation

• Speaker telephone number and email address

• Availability to present on 24 and 25 September 2013

All proposals will be reviewedby the Timber Expo EditorialBoard. To express an interest in presenting, contact Hannah Jones on 01743 290 048 or email [email protected]

TALKSTOOLBOX

www.sips.uk.com

New House BuildsSchoolsApartmentsExtensionsGarden RoomsAnnexes Holiday Homes

01933 353501

Call now to find out how sips UK can fast trackyour build, saving time, money and environmentalimpact with our flexible building [email protected]

One of the most advanced building systems available today offering:superior insulation, structural strength and airtightness.

Superior Building Solutions from

• Self build• Education projects• Leisure projects• Domestic extensions• Panel fabrication solutions

Contact: 0844 335 [email protected]

SIPCO are a leading supplier of Structural Insulated Panels to theconstruction industry. We can offer a range of services from SIP design, SIP panel supply and fabrication through to full kit supply.


The construction industry has witnesseda significant rise in the use of SIPS foruse in the erection of both residentialand commercial buildings. In the UK 60%of fossil fuels are used to heat buildingsand half of this is housing. By far themost economical method of reducingfossil fuel use in housing is to reducespace heating demand.

SIPS have many of the answers…


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What are SIPS and Why youshould choose them?

the transportation of heat, air and moisture through the building envelope. Thisexchange of energy and mass is due to differentials betweenindoor and outdoortemperatures, pressures andhumidity conditions. The greatestbenefits are achieved throughappropriate specification ofmaterials combined withaccurate design detailing at critical junctions.

The composite nature of the SIPsystems provides an efficientand effective solution toreducing thermal losses andtherefore improving energyconservation.

Although each area is intrinsicallylinked, the hygrothermalperformance can be split intothe following sections foranalytical assessment. Eacharea provides its own benefitsand issues that require trade-offs and comprises to reach anoptimised and holistic solution.

Thermal Resistance (U-values)The thermal resistance of amaterial indicates its ability totransfer heat, in solids this isdirectly proportional to thematerial’s thickness since heat is transferred via conduction.Therefore to improve the thermalresistance and reduce the

U-value an increase in thicknessof building elements is required.

Since the thermal resistance of abuilding element is only one partof its performance requirement,increasing the thickness of theinsulation levels without combiningthem into an integrated approachto the overall performance wouldprovide uneconomically thickelements. SIPS offer theefficiency of structural andthermal performance within oneproduct. U-values as low as 0.11W/m2K can be achieved throughthe use of SIPS whilst alsolimiting the increase in buildingdimensions (wall thickness).

Focusing on the Code forSustainable Homes, The EnergySavings Trust has produced‘backstop’ or minimum levels itbelieves are needed to achievethe relevant code requirements.These are based on Fabric First principles by adapting anintegrated design-led approachso that insulation, heating and ventilation systems worktogether to maximise costeffectiveness in construction, and minimise occupant fuelcosts. These U-values can beachieved with relative ease using a SIP system.

Table 1: U-value requirements to meet Code for Sustainable Homes levels

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SIPS and Thermal LossesThermal losses are dictated by the hygrothermal performance –

Required U-value(W/m2K)

Building Regulations

Predicted2013 Values

Energy Savings Trust ‘backstop’ requirements

Code 4 Code 5 & 6

Roofs 0.20 0.16 0.13 0.13

Walls 0.30 0.20 0.2 0.15

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The main benefit of SIPS over other panelised forms ofconstruction is due to the limitedquantity of repeating thermalbridges such as studs andnoggins. Therefore a typicalvalue of 94% of the panel area is counted as insulation whencalculating the U-value ofbuilding components to BS ENISO 8990.

Further thermal resistance gainscan be achieved when assessingthe surround build-up of thebuilding element such as thecavity in a cavity wall. Providinga low-emissivity surface, such as aluminium foil, on the face ofthe SIP reduces the radiationtransfer across the cavity, sothat the airspace has a higherthermal resistance and thereforean associated reduction in U-value.

Note that care needs to be taken when applying this type of product since the majorityrequire an un-ventilated air-space to be effective yet needsto be balanced against theassociated interstitialcondensation risk. It also needs

to be noted that in general, aminimum width of 25mm for theair-space is required before thelow emissivity surface providesany thermal resistance gains.

Thermal Bridging (Y-values)Although repeating thermalbridges are accounted for withinthe U-value calculation, non-repeating thermal bridgesrequire special consideration.

Up to 15% of heat loss from thebuilding envelope combined with the associated issues oflocalised condensation andmould build up can be attributedto these localised cold bridges.Typically these occur aroundopenings and junctions wherethere are gaps in insulation or materials of low thermalresistance are required for other envelope performancerequirements.

The introduction of the amendedApproved Documents of Part Lin April 2010 meant that heatloss calculations were replacedby the concept o Fabric EnergyEfficiency (FEE) putting morefocus on thermal bridges

when calculating the DwellingEmissions Rate (DER) and FEEs.

Fabric Energy Efficiency (FEE)The target levels of FEE tocomply with the new Regulationsmean that the dwelling will haveto reach a ‘backstop’ energytarget (kwh/m2/year) as well asthe CO2 target (kg/m2/year).

Two ‘backstop’ options arepresented in the 2013 Part L1A,with no clear recommendationconsulted. The first is the 39/46kWh/m2/year ‘full’ FEE standard;the second is the ‘interim’ FEEstandard of 43/52 kwh/m2/year.In the case of the ‘differentiated’8% target emission rate, the fullFEE target with ‘efficient services’including a condensing boilerand 100% low energy lightingwould in many cases deliver the average 8% reduction. The consultation documentsuggests that this would be the most cost effective way of meeting the carbon target;however some developers mightprefer the flexibility associatedwith a lower ‘interim’ FEE.

Non accrediteddetails

Accrediteddetails

Enhanced Details

Y-value used for SAP and SBEM Calculations

0.15 0.08 0.04

Approx % improvement of Thermal Bridging Heat Loss (W/K) compared to non-accredited details

- 47% 73%

Table 2: Y-value requirements to meet Code for Sustainable Homes levels

what are sips

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To assist in the drive forthermally efficient structuresAccredited Construction Detailswere introduce to complimentPart L and more recentlyEnhanced Construction Detailshave been developed. Theseallow improved heat losspercentages to be used withinthe SAP and SBEM calculationsprovided the details are adheredto (effect shown in table 2opposite).

Although SIPS are not demonstrated specifically withinthese details, it has beenaccepted and proven throughthird party accreditationprocesses (such as BBA) thatthe inherent benefits of SIPS,exceed Accredited ConstructionDetails requirements andtherefore the 8% heat loss valuecan be used as a minimum. Upgrading to meet EnhancedConstruction Detail requirements

is achievable using SIP throughmodelling and assessment ofspecific junction details atproject level.

AirtightnessPart L has put increased focusand weighting on the airtightness of the buildingenvelope – ‘build tight – ventilateright’ is the mantra that has beenadopted. The flow of air througha building is either controlled,i.e. through ventilation, oruncontrolled, i.e. through air leakage.

Air leakage is created by gaps and cracks in the fabric of the building and leads to unnecessary heat loss,discomfort, interstitialcondensation, increased sound transmission, degradation of thebuilding envelope and increasedenergy costs.

Air leakage (or air permeability)is the rate of leakage in cubicmeters of air per hour persquare meter of envelope area ata reference pressure differenceof 50 Pascals.

Table 3: Airtightness requirements to meet Code for Sustainable Homes levels

Current Building

Regulations

Energy SavingsTrust bestpractice

SIPSDeliverablesa standard

Maximum AirPermeability(m3/(h.m2) @ 50Pa

10 3 < 3

SIP systems are capable ofachieving excellent airtightnessfigures without the need foradditional measures that wouldbe required for most otherbuilding methods. The use of two layers of OSB and a centralinsulation core within a SIPprovides a multi-layered airbarrier combining lowpermeability materials. Largeformat panels and manufacturingtolerances limits the air leakageat connections and junctions.This can assist in providing an air tight construction as low as 1m3/hour/m2 at 50 Pa.

In general due to the largenumber of joints and junctionscreated by the majority ofconstruction techniquescombined with the inherentpermeability and porosity of thematerials involved means thatcreating an efficient air barriercan be difficult. This often meansthat the effectiveness of the airbarrier is based on the quality ofsite workmanship, however theSIP system reduces this relianceon onsite workmanship throughits detailing. Offsite manufacturingtolerances allow it to achieveexcellent air tightness values thatare more difficult to achieve withmost other building methods.

SIPS and Thermal GainsLimiting thermal gains needs tobe considered at the buildingdesign stage and will informdecisions on; orientation andaperture design (minimising heatgain through solar radiation);

layout and building usage(minimising heat gain throughinternal loading). There arenumerous publications andliterature on this area that arereliant on many external factorsand therefore not covered here.However to regulate these gains,the building fabric’s thermalstorage needs to be considered.

Thermal StorageLightweight constructiontechniques such as SIP, timberframe and light steel frame havebeen criticised in the past due totheir lack of density and thereforetheir associated low thermalmass. However, it is a misnomerthat the use of low densitystructural materials automaticallyprevents the provision of thermalstorage within a building and vice versa.

The thermal mass (or admittance)of a material indicates howquickly a building element canabsorb thermal gains. Thethermal mass is reliant on threekey requirements:- material density (In general onlythe first 100mm depth of a dense material will absorb heat from the air)- surface area (increasing theavailable surface area allows the heat to be absorbed more rapidly)- coupling (the dense materialneeds to be in direct contact withthe air to provide the requiredthermal mass benefits)

The move towards dry-liningsystems means that the air spacebehind the plasterboard haseffectively insulated the room airfrom the structural envelope andlimited its ability to absorb heatand provide thermal massbenefits (regardless of thestructural envelope type).

Utilising wet plaster and densefinishing materials such asceramic tiling on a SIP systemprovides a relatively high thermalmass within a well insulatedenvelope, giving an adequatebalance between thermalresistance and storage.

This is highlighted in the EnergySaving Trusts paper “Reducingoverheating – a designer’s guide”which provides admittance valuesfor typical construction types,and shows that a timber basedexternal wall panel with aplasterboard and wet plasterfinish has a better thermal massperformance than a standardaircrete block with taped andjointed plasterboard finish.

It is worth noting that converselytoo much thermal mass cancause problems due to thedifficulty in cooling duringwarmer nights since it would puta greater reliance on ventilationto lower internal temperatures.


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SummarySIP systems provide a balancedapproach to the hygrothermalperformance that maximisesgains in all areas withoutcompromising others. Theflexibility of the system permits a wide and varied building typeand style to be built with verylittle restriction on size, shapeand form – perfect for the self-builder!

With the Government’scommitment to the lowering ofC0² Emissions in construction,together with numerousGovernment announcements thatall new homes will be ZEROcarbon by 2020 together withthe launch of The Code forSustainable Homes in May of2007, thermal insulation andlower air leakage requirementswithin dwellings will increasedramatically. By adopting theuse of Structural InsulatedPanels, these new requirementscan easily be achieved,especially when the SIP provideris integrated early enough in thedesign process to allow efficientand effective design.

17

SIP technology has beendeveloped around pre-manufactured panels made in a precision factory-controlledenvironment. They are composite(or sandwich) panels consistingof two parallel faces – usuallyOriented Strand Board,sandwiching a rigid core ofPolyurethane (PU) foam orExpanded Polystyrene (EPS),making them lightweight, quickto erect and free from problemsof compression shrinkage andcold bridging associated withother forms of construction. SIP panels offer superior

insulation, structural strength and incredible airtightness overalternative construction methodsand systems.

They offer a modern, cost-effective, energy efficientsolution to a wide range ofbuilding types and are used infloors, walls and roofs providinglow carbon residential, industrialand commercial structures. SIPS can be combined withmany building materialsincluding brick, steel andconcrete, allowing a wide rangeof design and build options. The materials used and thecomposite structure of thefinished panel removes the needstudwork, vapour barriers andbreather membranes.

Due to the offsite manufacturedprocess of production, onsitework is at a minimum andinstalling SIP panels is very

quick giving reduced labourtimes and site costs. The factoryenvironment means less productfaults, less waste plus cablingroutes, window and dooropenings or protective coatingscan be can factory fitted andfault free.

Due to the lightweight structuralpanels, a lower foundationspecification can be used and awatertight shell can be achievedwithin days, allowing externalcladding and follow-on trades to progress quickly. SIPS arecompatible with most claddingmaterials including brick, stone,copper, aluminium or timber.


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the future of low energy construction

Structural InsulatedPanels – SIPS panels– are one of thefastest growingsystems of buildingwithin the timbersector andconstruction industrygenerally and are increasinglyappealing toarchitects, designersand buildingtechnicians.

SIPS

For more information why not download the UKSIPSTechnical Bulletins from:

www.uksips.org/technical-bulletins

sip technology

Our activities include:• Promoting exemplar SIP

construction projects• Facilitating communication

and knowledge transfer of SIP techniques

• Promoting the development ofeducation and training on SIP technology to increase levels of professional and technical awareness of what quality SIP construction methods can offer

• Engaging with technical or other impediments to the effective utilisation of SIP construction methods

• Collaborating with organisations that have a shared ambition to work in support of a better more effective construction industry

• Engaging with Government and major public sector clients and decision takers

• Safeguarding the interests of members and ensuring that the growth of SIP technology is controlled in a structured manner.

Free Trial MembershipTry it now. If you would like tofind out more about what the UKSIP Association has to offer, weare offering a 3 month trialmembership. With the free trialmembership, you will be givenaccess to our Members Area -via our log in button – where youcan view a limited set of theinformation available to ourmembers. New membercategories include Manufacturers,Engineer/ Consultant,Processor/Supplier, Architect,Installers and Professionals.

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JOIN UP NOWWith over 40 members and constantly growing, the UKSIPAssociation is one of the leading trade associations in thetimber and construction sectors and is the only organisationexclusively representing the SIP industry in the UK. It engages in a wide variety of issues and requirements that are relevant to the effective promotion and exploitation of SIP construction methods. Membership is open to allorganisations involved with or that have an interest in SIPtechnology. Our members come from across the entiresupply-chain and are united by a commitment to stringentstandards of quality and service to their customers.

1 Participation and representation on technical committees and at industry events

2 Credibility in the marketplace– providing customer confidence

3 PR and marketing through our comprehensive marketing and communications activities

4 Exhibition, conference and seminar activities

5 Technical and Health & Safety advice, ensuring correct interpretation and implementation of legislationand standards

6 Technical support via a dedicated Technical Committee – a recognised source of technical guidance and information on SIP technology

7 Education and training – access to CPD training materials and seminars on a range of topics relevant to the SIP industry

8 Networking and knowledge exchange forums in which to do business

9 Benefit from the interactive Association website to upload case studies

10 Opportunity to present at Members meetings of important developments relevant to the SIPs industry.

Trial Membership will last for 12 weeks from point ofapproval by the AssociationBoard and you can upgrade to full membership at any timeand take advantage of awealth of industry information.

To apply for a free trialmembership, please click here

www.uksips.org/join

10Reasons to

join the UKSIP Association

Contact [email protected] or call 01494569602 for more details about the

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Simpson Strong-Tie® | www.strongtie.co.uk | 01827 255600

Thermal Bridging Solution

Because it fixes to the face of the SIP panel, the IUQ (and heavy duty HIUQ) joist hanger provides the perfect solution to prevent thermal bridging at the junction between the joist and the wall.It saves time and money too, as blocking pieces are no longer required.IUQ provides an impressive safe working load of 4.1kN (the HIUQ gives 8.1kN).

With rapidly increasing energycosts, the importance of energyefficiency has become a centralconcern to architects, developersand property owners across theUK. To deliver energy efficientbuildings the constructionindustry is developing new waysof working and embracing theprinciples of Fabric First.

“The whole principle of FabricFirst makes sense, said UKSIPSchairman, Charles Stewart. “Why complicate buildings with complex micro-generationrenewables if you don’t need to?Building well insulated, airtightstructures using SIPS oradvanced timber frametechnology addresses the energyefficiency challenge head-on.”The event was the second majorcollaboration between the UK SIPAssociation and UKTFA andbrought together nearly 200designers, architects, engineers,homebuilders and developers togain in-depth knowledge of the

latest thinking behind thisapproach.

With the impending changes toPart L and the 2016 ‘zero carbon’target looming, the choice ofbuilding envelope is vital to lowcarbon construction. ProfessorNick Whitehouse of OxfordBrooks University, believes to getthe best results from a FabricFirst strategy is to combine thisapproach with offsiteconstruction, saying: “Offsiteprefabrication not only meansimproved performance in terms of energy efficiency becausecomponents and systems are puttogether in a controlled factoryenvironment. It also results insignificant health and safetyimprovements, together with 50-80% less energy used onsite,70% saving in transport to siteand 50-90% less waste.”

Much talk centred on FabricEnergy Efficiency (FEE) meetingBuilding Regulations and how

SIPs will contribute to thegovernment’s target to lower CO2emissions by 2050. Speaking onbehalf of Ingleton Wood, architectJon Boon’s challenged the nameof the event. “It should actuallybe Fabric Second,” hesuggested. “To achieve maximumenergy efficiency, the industryneeds to go beyond Fabric Firstand apply the principles back at the planning stages. It alsodemands collaboration rightdown the supply chain to ensurecomponents and materials worktogether to the best advantage.”

The Fabric First event was haileda great success by delegates andexhibitors and many attendeesspoke of the ‘feel good factor’surrounding the future of themethodology. If you areinterested in getting involved in the next event or needinformation on speaker andsponsor opportunities contact:[email protected]

21

The UKSIP Association recently collaborated with the UKTFA at Fabric First in Birmingham. The full day event was sold out and those attending saw and heard why SIP panels are in prime position to take advantage of thisbuilding approach.

Homebuilding & Renovating Show 2013Many UKSIP members will be in attendance during the year at the series ofHomebuilding & Renovating Shows being held in various locations across the UK. Aimed at Self Builders, SIPS Industries have constructed a two-storey house made out of SIPS panels without roof trusses at the Glasgow SECC, Scotland 18/19th May.

This modern contemporary structure will include some finishes allowing visitors to see first-hand all stages of the construction process. Visitors will be able to stand inside and experience the truefeeling of height and space and understand how a large open plan layout can be achieved using thisconstruction method. They will also be able to discover how SIPS construction systems can save moneyon heating bills, have less impact on the environment and ultimately cost less than a variety of otheralternative building methods.

For more information visit: www.homebuildingshow.co.uk

FabricFirstEvent

Physics of Medicine Building,Cambridge University

The project was successfullycompleted by SIPS UK in a littleless than 5 weeks. After nearly a year tendering for and thentweaking the specification andprice due to architect’s variation,SIPS UK partnered with WillmottDixon to clad their concreteportal frame using the SIP InfillPanel System. One of the mainreasons SIPS UK won theproject was due the ability tomanufacture curved SIPs panels,which were a requirement forwhat was commonly termed the POD.

www.sips.uk.com

Pease HouseContemporary Cottage

SIPS UK worked closely with ACArchitects to incorporate thestructural elements that theengineers required whilst stillbeing able to maintain thedesign requirements of the client- one of which was to introducethermal mass into the buildingby way of a rammed earth wall.The owners are extremelypleased with what they haveachieved in building their dreamhome. One year on, the househas proved to meet the designparameters; being cool insummer and warm in the winter.

www.sips.uk.com

Chimney Pot Park, Salford

SIPCO helped create a thrivingnew community. This projectinvolved the completerefurbishment of 359 terracedhouses in Salford. The client waslooking to retain as much of theoriginal appearance of theproperty as possible whilstensuring that the new buildingswere both efficient in terms ofenvelope performance and livingspace utilisation. The schemewas a mixture of four basichouse designs in terracedblocks of 16 units.

The developer, Urban Splash,retained the original facade ofthe houses whilst replacing thestructure of the house with asteel frame.


Commercial Curtain Walling,Manchester

SIPS were utilised to providecurtain walling on the steel frame of an apartment block,comprising the complete thermalenvelope. Because the panelswere prefabricated and cut tosize before they reached site, the volume of site wastage wasconsiderably reduced, along withthe need for waste disposalfacilities. As each floor wascompleted, the first fix tradeswere able to follow on behind.This floor-by-floor approachensured a structured and tightlymanageable programme. In total,SIPS Industries provided aroundfive acres of cladding for theapartments.

www.sipsindustries.com

Our Members have successfully completed a wide range of projects using SIPS acrossa broad spectrum of sectors and all of the Case Studies demonstrate what can beachieved with this technology. To view the case studies in full visit:www.uksips.org/case-studies/


22

Actioncase studies


24

CSH Level 5 HousingDevelopment, London

Innovaré teamed up withOsborne and Family MosaicHousing Association to completean affordable housingdevelopment in Greenwich,South London, built to Level 5 of the Code for SustainableHomes (CSH) using its i-SIPstructural insulated panelsystem. Working in collaborationwith the project architects BPTWPartnership, Innovaré were ableto influence the design of the i-SIP building structure to meetthe Code for Sustainable Homesrequirements for Level 5 fromthe beginning, helping thescheme to achieve the initialplanning requirements.

www.innovaresystems.co.uk

TESCO Eco Store, Dublin

Tesco Ireland with PrecisionConstruction appointed SIPFITto design, manufacture, supplyand install an innovative andsustainable SIP-based claddingsolution that not only met the strict green credentials required by Tesco but was alsocompetitively priced and wouldeliminate the amount of time onsite to meet strict deadlines.The store opened in November2011 and is expected to be anew benchmark in low energysustainable stores for thecompany.

www.sipfit.co.uk

Park Inn Hotel

Hemsec SIPs were challengedwith the goal of using a modernmethod of construction for thestructural envelope butmaintaining concrete floorstraditionally found in hotelapplications. Maintaining theconcrete floors was key inproviding a quality feel to this hotel. Through design andtesting, Hemsec SIPs were ableto provide a rapid build methodwhilst maintaining the client’skey requirements.

www.hemsecsips.com

Inman’s Primary School,Hedon, near Hull

Hemsec SIPS was used to create the whole structure of this school, the use of Hemsecstructural insulated panelsallowed the engineers toeliminate 70% of the structuralsteelwork in creating thestructure. The client, East Ridingof Yorkshire Council and theirmain contractor, George Houlton& Son, needed a modern,thermally efficient structureproviding fast build speed,excellent sustainabilitycredentials and minimal sitewaste at a competitive price.Structural insulated panels werealso used to create the pitchedand flat roof areas for the wholebuilding. External finishesincluded traditional brickwork,insulated renders, single plyfinishes, cedar cladding andgreen roof build up.

For more information on theseCase Studies and the work ofUKSIP Association membersvisit: www.uksips.org

Volumetric modular

Glulam technology

Roof cassette technology

SIPS technology

Open panel timber frame

Closed panel timber frame

FASTENER SYSTEMSinnovations in fastenings and fixings

APTUS COME AND SEE USON STAND B7 AT

TIMBER EXPO

HECO-TOPIX® perfect for modern methods of timber construction such as SIPS panels,Glulam structures, timber frames,façade and roof insulation.

• European Technical Approval ETA-11/0284

• Assessed by TRADA technology to BS EN-14592/2008

• Complies with NHBC building regulations and the forthcoming Eurocode 5 design codes

• German national approval in accordance to DIN 1052-2008-12

• Shear strengths comparable with a bolted joint

• Patented combi thread of the TimberConnect screw anchor secures timber sole plates to concrete

• High load bearing capacity with Topix Combi-Connect

• Stainless steel available for use with oak and solar installations

Aptus Fastener Systems LtdSalterwood Drive, Denby, Derbyshire DE5 8JYTel: 01773 [email protected]

Aptus Fastener Systems havedeveloped the most comprehensiverange of innovative fastening solutionsfor timber construction methods

Structure – this bulletin covers allaspects of the building phase from walls,floors, roofing cladding and services totolerances for walls and sole plates. Thereare two fundamental applications for SIPS– full structural and infill for a concrete,steel or engineered timber frame. In allcases the product will be engineered forloadbearing capability, racking resistanceand wind loading.

Fire – all forms of construction need tocomply with the fire performancerequirements laid down by nationalBuilding Regulations. There is no difficultyin SIP- based structures meeting therequired levels, given correct design,standards of manufacture andworkmanship. The fire resistance of a SIPstructure is primarily achieved by the useof fire resistant lining materials.

Thermal - ‘Fabric First’ is a popular ethosthat has grown from the GermanPassivhaus standard. This is whereenergy efficient buildings are created byfocusing on the performance of theexternal envelope of the building beforeusing or ‘bolt on’ renewable energytechnologies. With SIP structuresexcellent U-Values can be achieved. Learnmore about U-Values, thermal bridging, airpermeability and SAP Assessments.

Acoustics – this bulletin covers theimproved sound performance levels that can be delivered by SIP panels. SIPS contribute to improved airbornesound insulation for floors roofs, external, internal and separating/party/compartment walls. Much like timberstudwork, SIPS rely on the mass andcontinuity of plasterboard linings toprovide the majority of the soundinsulation performance.

Durability – the long term performance of a SIP building will be largely dependenton repair and maintenance. Duringconstruction the SIP structure may be exposed to the prevailing weatherconditions and may be exposed to rain.This is not an issue for SIPs as long as a number of general precautions arefollowed. Cladding systems can take theform of masonry such as brick, renderedblock work or stone or lightweightsystems such as timber, metal orproprietary render systems.


26

For those unfamiliar with what SIPS can do, the UK SIP Association have fivespecial Technical Bulletins commissioned in conjunction with TRADA Technology that are intended to provide introductory information on using SIPS. A sixth Bulletin on Sustainability will be available soon. The Association is also compiling all of these into a handySIPcheck Manual.

Acoustic

Durability

Fire

Structure

Thermal

Coming Soon – SustainabilityTechnical Bulletin– technical dataand everything you need to knowabout how SIPS can contribute to an energy efficient, low carbonconstruction project.

www.uksips.org

This Technical Bulletin has been commissioned by the UK SIP Association in

conjunction with TRADA Technology and is intended to provide the reader with

introductory information on using structural insulated panels for construction.

Structural insulated panels (SIPs) are prefabricated, high performance, lightweight,

building panels that can be used in floors, walls and roofs for residential and

commercial buildings. A SIP consists of two high density facings, typically

Orientated Strand Board (OSB) which are bonded on both sides of a low

density, cellular foam core.

The panels are typically made by sandwiching a core of rigid foam plastic insulation

which is bonded to the two structural skins. A strong, structural bond between the

three layers is essential to the load bearing ability of the SIP so that high loads can be

transmitted by the relatively light units reducing the use of internal studding. SIP walls

can bear considerable vertical and horizontal loads with reduced internal studding.

The load carried by the SIP is transferred to ground by the OSB skins, held in position

by the fully bonded insulation core.

In the UK structural insulated panels are available with a number of different insulation

cores; expanded polystyrene (EPS), extruded polystyrene (XPS), polyisocyanate (PIR)

and polyurethane (PUR). In all cases the skins are typically OSB although there is

increasing research into other forms of load bearing materials.

SIPs are manufactured under closely controlled factory conditions and can be custom

designed for each application. The result is a building system that is extremely strong,

energy efficient and cost effective. Strict quality control procedures are implemented

in the manufacture of SIPs to ensure quality and consistency of panels.

In terms of strength and resistance to fire there is little difference between the different

core materials. Both forms of manufacture will comply with the Building Regulations and

all Manufacturers in the UKSIPS Association are third party accredited.

In all cases it is the insulation core that provides excellent thermal properties due to the

limited amount of tim ber studs required. Equally air permeability due to the large format

nature of the supplied panels is much lower than traditional construction due to the

small number of joints in the structure.

There are two fundamental applications for SIPs; full structural and infill for a concrete,

steel or engineered timber frame. In all cases the product will be engineered for load

bearing capability, racking resistance and wind loading in accordance with the test

results obtained by UK SIPs members.

For more information please visit www.uksips.org

or scan the QR code

Technical Bulletin

Structure1

Written by

REV 1 - 12.12.11/TB001

www.uksips.org

Technical BulletinFire2

This Technical Bulletin has been comm

issioned by the UK SIP Association in


introductory information on using structural insulated panels

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results obtained by UK SIPs mem

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or scan the QR code

Written by

REV 1 - 12.12.11/TB002

www.uksips.org

Technical Bulletin

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or scan the QR code

Written by

REV 1

- 12.12

.11/T

B003

www.uksips.org

Technical BulletinThermal

4This Technical Bulletin has been commissioned by the UK SIP Association in

































results obtained by UK SIPs members


or scan the QR code

Written by

REV 1 - 12.12.11/TB004

www.uksips.org

Technical Bulletin

Durability

5This Technical Bulletin has been commissioned by the UK SIP Association in

































results obtained by UK SIPs members


or scan the QR code

Written by

REV 1 - 12.12.11/TB005

They are free to download after registering yourdetails on www.uksips.org/technical-bulletins

Technical Knowledge at Your Fingertips

27

There is still time to enter theWood Awards 2013 and getrecognition for your expertise. To enter, all you need is:

1) Permission from the owner of the building or furniture

2) Contact details of the key companies involved

3) A brief description of the project

4) At least 3 .jpeg high resolution images which really show off your project. And that's it!

The Wood Awards is open to architectural projects andfurniture pieces designed in the

UK (GB and Northern Ireland),completed in the last two yearsand not entered before. Withpermission from the owner,anyone associated with aneligible project - architects,designers, manufacturers,engineers, timber suppliers,consultants or even the clientthemselves - can enter.It’s free to enter, any number ofentries can be submitted and thebrand new online entry form onwww.woodawards.com features a"save your progress" option tomake the entry process eveneasier and more convenient.This year, entrants don’t evenhave to be shortlisted to benefit

from entering the Wood Awards.All entries will be featured on theWood Awards Twitter, Facebookand Pinterest sites, helping growyour social media presence. Thisonline exhibition of entries willgive entrants the opportunity toincrease their profile before theshortlist is even considered.

The Wood Awards is the UK’s premier award schemerecognising, encouraging andpromoting outstanding design,craftsmanship and installation in wood.

Visit www.woodawards.comnow for details and to enter

THE WOOD AWARDS 2013 FINAL CALL FOR ENTRIES - DEADLINE 24th May

Want to exhibit?Contact – Loretta Sales:

+44 (0)7956 173351 or [email protected]

Timber Expo is the UK’s national timber event catering for built environment professionals that are looking to work with the leading sustainable building material.

Register FREEwww.timber-expo.co.uk/book

Are you looking for innovative timber solutions?Visit Timber Expo

NEC BIRMINGHAM24&25 SEPTEMBER 20I3

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