Closed cell spray foam insulation in residential use
Advantages of closed-cell spray foam over other building insulations:
- Highest R-value per inch of any cavity insulation
- Considered an air barrier when applied at one inch thick
- Code-approved vapor retarder at a thickness of two inches or more
- Negligible bulk water absorption
- Adds significant structural strength

Resources
Energy Star Thermal Bypass Guide
Document from US DOE EPA - ENERGY STAR program describing how to identify and remediate improper insulation installation issues that can significantly affect thermal performance of buildings.
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Residential Energy White Paper
Home energy savings starts with creating a better building envelope. Insulating with closed-cell spray polyurethane foam provides consistent and unparalleled airtightness, superior thermal performance, and moisture-control benefits. This whitepaper discusses how closed-cell spray foam insulation can be used to reduce heating and cooling energy costs in both new and existing homes.
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Residential Calculator
The Home Energy Saver is a complete on-line energy calculator that is designed to help homeowners and design professionals identify the best ways to save energy in their homes. Users provide detailed information about their home to predict baseline energy consumption. A list of energy-saving upgrades is suggested. To evaluate the impact of closed-cell spray foam versus other insulation materials, increase R-value and lower air leakage rates.
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Residential Blog
Blog - Residential Closed-cell spray foam insulation with Steve Easley.
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Closed-cell Spray Insulation Facts
A rare piece packed with facts supporting the increased adoption of closed-cell spray foam for residential applications due to improved energy efficiency and indoor air quality.
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Unvented Roof Assemblies for all climates
See how closed-cell spray foam is used to create an unvented roof assembly for any climate zones.
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