A New Approach to Green Building: Caulks, Sealants & Adhesives.
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Transcript of A New Approach to Green Building: Caulks, Sealants & Adhesives.
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Before you begin here are a few things that will help you successfully complete this course.
Best Practices
Hanley Wood is a Registered Provider with The American Institute of Architects Continuing Education Systems. Credit earned on completion of this program will be reported to CES Records for AIA members. Certifications of Completion for non-AIA members are available on request.
This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Question related to specific materials, methods and services will be addressed at the conclusion of this presentation.
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4000 bc 3000 bc 2000 bc 1000 bc 500 ad 1000 ad 1900s
Tree sap
Animal glues
Used for pottery,
burial rituals
Egyptians used natural glues to adhere furniture
& pottery
Literature describing process
to make animal glues appear
Paintings show use of wood gluing as method of assembly
Greeks & Romans used blood, bones, hides, bees wax to
caulk boats
Adhesives improved strength, versatility & power of weaponry
Advances in chemistry lead to synthetic adhesives for strength and sealants for flexibility.
History of Adhesives
AdhesivesAdhesives
NaturalNatural SyntheticSynthetic
Animal GluesAnimal Glues
Fish GlueFish Glue
Casein GlueCasein Glue
StarchStarch
CelluloseCellulose
EpoxiesEpoxies
CyanoacrylatesCyanoacrylates
ThermoplasticsThermoplastics
Rubber-based Solvents Rubber-based Solvents
Anaerobic AdhesivesAnaerobic Adhesives
RTV SiliconeRTV Silicone
History of Adhesives
1900s: The industrial revolution
20s-30s: advances in chemicals and plastics created plastic/synthetic resins
40s-50s: WWII led to development of neoprenes, epoxies and cyanoacrylates
History of Adhesives
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of high-performance, low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of high-performance, low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
There are nine project categories
1. New Construction
2. Existing Buildings
3. Homes
4. Commercial Interiors
5. Core & Shell
6. Schools
7. Retail
8. Healthcare
9. Neighborhood Development
LEED (Leadership in Energy and Environmental Design) promotes a whole building approach to sustainability.
LEED Certification
4545 The minimum number of points required for a home project to be certified as “green”
1616 The number of points available in the Materials and Resources category
88 Adhesives and sealants can contribute up to eight points towards LEED certification in the Environmentally Preferable Products section of the Materials & Resources (MR) category
LEED Certification
For more information about LEED project certification guidelines and a project check-list visit www.usgbc.org/.
Materials and Resources
Efficient utilization of materials, selection of environmentally preferable materials and minimization of waste during construction.
Environmentally Preferable Products
Increase demand for environmentally preferable products and products or building components that are extracted, processed and manufactured within the region.
LEED Intent
LEED guidelines identify standards for environmentally preferable products
LEED Certification
Materials and Resources: Environmentally Preferable Products VOC-emissions standards
LEED Certification
High performance, low-VOC adhesive and sealant products are available for the
following applications:
1. drywall adhesives 2. acrylic indoor/outdoor sealant
3. draft & acoustical sealant 4. sub-floor & deck adhesive
5. general purpose adhesive 6. flame and smoke sealant
7. minimally expanding foam sealant
* All told, these application-specific adhesives and sealants can contribute 3.5 of the maximum 8 points for the Materials and Resources Environmentally Preferred Products category.
LEED Certification
NAHB (National Association of Home Builders) Green Building Program seeks to move green building practices in to the mainstream.
The green construction process is divided in to seven guiding principles- Lot Design, Planning and Development- Resource Efficiency- Energy Efficiency- Water Efficiency- Indoor Environmental Quality- Operation, Maintenance and Homeowner Education- Global Impact
Adhesives and Sealants can contribute to Energy Efficiency and Global Impact
NAHB Certification
Points Required for the Three Different Levels of Green Building
Guiding Principal Bronze Silver Gold
Lot Design, Preparation, and Development 8 10 12
Resource Efficiency 44 60 77
Energy Efficiency 37 62 100
Water Efficiency 6 13 19
Indoor Environmental Quality 32 54 72
Operation, Maintenance, and Homeowner Education 7 7 9
Global Impact 3 5 6
Obtain additional points from sections of your choice 100 100 100
NAHB Certification
Energy Efficiency
The intent of energy efficiency is to integrate a comprehensive approach to the design of the building site, envelope and mechanical space conditioning systems.
Additional points are available for using green building products.
NAHB Certification
See NAHB certification guidelines section 3.3.1
for more information.
National Association of Home Builders
Energy Efficiency
Improvements in energy efficiency can be made by sealing gaps in insulation and proper installation.
NAHB Certification
Energy Efficiency
To verify the energy efficiency of a home, third-party verification can examine the following systems:
- duct installation
- building envelope air sealing details
- proper installation of insulation (no gaps, voids or compression)
- batt insulation cut accurately to fit cavity
- windows and doors flashed, caulked and sealed properly
NAHB Certification
Materials and Resources
The use of low-VOC sealants and adhesives can contribute 5 points towards an NAHB Green Building certification.
Adhesives and sealants should comply to the California Air Resources Board Regulation for Reducing VOC Emissions from Consumer Products.
NAHB Certification
Materials and Resources
According to the California Air Resources Board Technical Data Sheets, the following figures are acceptable VOC emissions for green buildings.
Construction adhesives: the greater of 200 grams/liter or 15% by weight
Sealants and caulks: the greater of 60 grams/liter or 4% by weight
Contact adhesives: the greater of 650 grams/liter or 80% by weight
NAHB Certification
Materials and Resources
To verify that adhesives, caulks and sealants are within the acceptable limits of NAHB certification, a third-party inspection can verify performance and proper installation.
Currently the California Air Resources Board has the most stringent guidelines on “acceptable” VOC emissions.
NAHB Certification
For more information on NAHB National Green Building program guidelines visit the NAHB program website.
In addition to national building practices and regulations, you should always check with state and local codes concerning VOC compliance. Some states have adopted lower-VOC regulations.
To learn if your state has adopted lower-VOC regulations visit the Environmental Protection Agency (EPA) at www.epa.gov
NAHB Certification
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of high-performance, low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
Low-VOC adhesives and sealants can
Reduce the health risks of building occupants, installers and contractors
Help contribute to improved air quality (indoors and out)
High-performance low-VOC adhesives and sealants can provide uncompromised bond strength and flexibility
Performance Benefits
What does VOC mean?
VOC stands for Volatile Organic Compounds.
VOCs are organic compounds that evaporate into the atmosphere at room temperature.
VOCs often have noticeable odors similar to gasoline, solvents, paints, stains, lighter fluid, sealants and adhesives.
Performance Benefits – Reduced Health Risks
How do VOCs affect health?
VOCs can contribute to smog and certain health problems
- headaches
- loss of coordination
- nausea
- damage to liver, kidneys and central nervous system
- eye, nose, throat or skin irritations
- some VOCs have been labeled as carcinogenic
Severity of health problems depends on the VOC, length and level of exposure.
Performance Benefits – Reduced Health Risks
Attention Specifiers, Contractors and Installers:
People who regularly handle VOCs are at the greatest risk of developing health ailments associated with VOC exposure.
To Reduce Exposure:
Increase ventilation, properly discard unused materials, store them properly, do not buy excess amounts
Buy green building products (not all adhesives and sealants are green)
- look for products that will meet the standards set by green building programs such as USGBC and NAHB
- look for third party certification of products for credibility
Performance Benefits – Reduced Health Risks
Improve Air Quality
Reducing VOC content in the air will help improve air quality for the installers and the future building inhabitants.
Low-VOC products emit significantly fewer grams of VOCs per liter than do VOC-compliant products.
Performance Benefits – Improved Air Quality
Strength and Flexibility
New low-VOC adhesives are available that have similar strengths and performance characteristics to traditional adhesives.
Performance characteristics such flexibility are uncompromised with new high-performance, low-VOC caulks and sealants
These new low-VOC products both contribute to green building practices.
Performance Benefits – Strength & Flexibility
Know the Products You Specify
By recommending or specifying low- or no-VOC products instead of VOC-compliant products, architects can directly help the environment and reduce the health risks for installers and building occupants.
Homeowners are aware of the importance of the Green movement and will appreciate the use of low-VOC products to ensure the health and safety of their family and the environment.
Performance Benefits
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of high-performance, low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
Compliance vs. Safety for construction adhesives
However, there are adhesives on the market that emit fewer than 2 g/l
However, there are sealants on the market that emit fewer than 5 g/l
VOC-compliance vs. Low-VOC content
Regulation – Adhesives must emit fewer than 200 g/l to be VOC compliant (with CARB, California Air Resources Board)
Regulation – Sealants must emit fewer than 60 g/l to be VOC compliant (with CARB, California Air Resources Board.)
0
20
40
60
80
100
120
Type of Adhesive & Sealant
lbs
of
VO
C
Traditional Adhesives &Sealants
Low-VOC Adhesives &Sealants
VOC Difference
Estimated VOC Content in lbs for a 2100 ft2 residential home
VOC-compliance vs. Low-VOC content
**These numbers are based only on adhesives and sealants used inside a standard 2100ft residential home. There are other sources of VOCs inside a home such as paints, stains and carpets.
Compliance vs. Green
VOC-compliant products are considered to be relatively safe but they are not necessarily green.
Current CARB VOC regulations only affect ozone-depleting solvents. Non-ozone depleting products can have high VOC emissions and still be CARB compliant.
VOC-compliance vs. Low-VOC content
Studies by the Environmental Protection Agency (EPA) have shown that VOCs are up to 10 times more concentrated indoors than outdoors.
Regardless of location, VOCs are present in both rural and highly industrial settings.
0102030405060708090
100
Indoors Outdoors
Indoor VOC
Out door VOC
VOC-compliance vs. Low-VOC content
Future Regulations: Low-VOC Adhesives and Sealants?
It is important to note that each state has its own VOC compliance measures and that these are constantly changing.
In the future a universal code may require the use of low-VOC adhesives and sealants to help ensure green building standards.
Third party certification of products may be required.
VOC-compliance vs. Low-VOC content
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of high-performance, low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
GreenGuard® Environmental Institute (GEI)
Industry independent, non-profit organization that oversees GreenGuard® Certification Program
The program establishes acceptable indoor air standards for indoor products, environments and buildings.
Third-party Certification
GreenGuard® Certification Programs
Founded in 2001 to establish the first third-party certification program of proven emissions standards
A resource for specifying and procurement specialists for low-emitting products
GreenGuard Online Product Guide identifies certified products
Third-party Certification
GreenGuard® Certification Programs
Indoor Air QualityDefines emissions standards for indoor use of productsDetermines test methods, allowable emissions levels, etc.
Children & SchoolsTests chemical emissions from building products used in schoolsChildren are more heavily exposed to environmental toxins than
adults
Building ConstructionCertifies new construction of commercial and multi-family housingFocuses specifically on safeguarding against mold
Third-party Certification
Adhesives and Sealants applicable to the
following can be certified:
1. General Construction Adhesives
2. Surfacing Adhesives
3. HVAC Adhesives
4. Surface Sealants
5. Wall covering Adhesives
6. Furniture Construction
7. Flooring Adhesives
8. Tile and Stone Adhesives
GreenGuard® Indoor Air Quality Certification Program
Third-party Certification
Low-VOC adhesives and sealants certified by GreenGuard are available for:
1. Sub-floor and deck construction 2. Drywall panel construction
3. Electrical, plumbing and heat ducts 4. General caulking/sealing
5. Low expansion insulating foams 6. Multi-purpose surface needs
GreenGuard® Indoor Air Quality Certification Program
Third-party Certification
1. Identify how adhesives and sealants can contribute to green building practices, specifically LEED and NAHB Certification.
2. List three performance benefits of low-VOC adhesives and sealants.
3. Identify the differences between VOC-compliant products and products with low-VOC content.
4. Describe the importance of third-party certification when selecting sealants and adhesives.
5. Describe the benefits of using a series of adhesive and sealant products.
Learning Objectives
Consistent Quality
Rest assured that the products you specify will meet or exceed even the most stringent of “Green” standards.
A series of low-VOC adhesives, caulks and sealants can be used independently of each other or in combination to meet LEED and NAHB VOC requirements.
A product series from one manufacturer will be produced with strict standards to ensure the highest quality low-VOC products on the market.
Benefits of a Product Series
Easy to Identify
A single product series will have a consistent look, making the products easy to identify.
You will know if they are certified by a third-party such as GreenGuard.
Benefits of a Product Series
Easy to Specify
A series of low-VOC products under one name will be easy to specify. You will not have to call for several products from different manufacturers.
You will not have to worry about meeting LEED and NAHB VOC off-gassing requirements with one product and not another.
Third-party certified products ensure that you are specifying the highest-quality, safest and most green products available. You can easily specify a range of certified products – all from the same manufacturer.
Benefits of a Product Series
Thank You
The OSI® GreenSeries™ product line is the first brand to offer high-quality interior and exterior construction adhesives and specialty sealants that combine high performance and long-lasting quality with environmentally friendly formulations. These very low-VOC products
contribute to improved indoor air quality and energy efficiency. OSI® GreenSeries™ products far exceed what is considered VOC-compliant today.
For more information, contact an OSI® GreenSeries™specialist.