AJ Insulation

7/31/2019 AJ Insulation

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16 AJ SPECIFICATION 02

Matthew King, UK managing director oActis Insulation, describes multioils as‘multi-layered products o limited thickness

(around 30 mm), comprising refective lmsalternating with separators.’ ey areparticularly suitable or renovation, especial where space is limited, reducing all ormso heat loss and perorming well all yearround. According to King, ‘For the samethermal perormance, multioil insulation is25 to 30 per cent as thick as traditionalinsulation (air gaps included).’

Ultra-thin VIPs (AJ 04.02.10) can greatlyincrease insulation eciency, but theirlietime needs to increase signicantly i theare to be used in masonry cavity constructioVIP specialist Ian Abley says recent

commercial breakthroughs will be madepublic at the International VacuumInsulation Symposium in Ontario, Canada,in September. He says advances have beenmade in our areas: vulnerability (preventingprocesses damaging products); the servicelie o insulation; substitutability; andmodularity (the use o co-ordinatedpreabrication).

e Deutsches Institut ür Bautechnik (DIBt) issues a National Technical Approvain the absence o DIN Standards. It hastaken the view that VIPs that start with a

thermal conductivity o 0.005W/mK loseperormance through pressure gain and havedesign values o between 0.007 and 0.008WmK ater 30 years. ‘Both va-Q-tec andPorextherm oer products with such DIBtapprovals, and both know them to becautious estimates,’ says Abley.

In 2009, it was clear that, while 30-yearVIPs are available or numerous constructioapplications such as shorter-lie cladding, along-lie panel is required or building intostructures. ‘is has already been inventedand is now being commercialised,’ says Able

In 1996, while working or Owens

Corning, Stan Rusek collaborated on apatent or a tray-shaped stainless steel ‘AuraVIP. Last July, he applied or a patent on animproved stainless-steel oil-wrapped plankinitially with a glass-bre core, to be builtinto brick and block cavity walls or concretesandwich panels. Rusek and his daughterSamantha are currently seeking the capitalto produce Century insulation, capableo achieving a U-value o 0.1W/m2K inless than 50mm, at less than £50/m2, and >>



AJ SPECIFICATION 02.11

Opposite page

Poole Architects’

Seitzstraße apart-

ments, Munich, uses

20mm VIPs inconjunction with

insulation with

insulated render

Clockwise from

top left Actis

Triso-super multifoil

insulation; Core of

va-Q-tec; inside an

AcuTemp VIP



24

UNDERHILLHOUSE,

WARWICKSHIRESEYMOUR-SMITH

ARCHITECTS

4

Clockwise from

top right Reective

suraces bounce light

into the deep-plan

spaces; extensive

south-acing glazing

admits heat and light;

concrete softs and

services are exposed;

the reective white

fnishes are

complemented by

colour highlights



AJ SPECIFICATION 02.11

1.Precastconcrete

upstand

2.Renderedinsulation

3.Ocutsoinsulation

lightweightfllmater

4.Wildgrassmeadow

5.Precastconcretewpanel

6.Waterproofng

7.Insulation

0 1mSection

1

2

3 4

5

6

7

Seedetail1,p26

See

detail2,

p28



40 AJ SPECIFICATION 02

GREENHOUSE,MIXED USE

DEVELOPMENTLEEDS WEST ANDMACHELLARCHITECTS

Below View of the

development lookin

west over Leeds

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