Closed Cell Foam Insulation Attic

Get your kits the easy to use spray foam kit.
Closed cell foam insulation attic. R value of 7 in 1 inch 97 closed cell foam. The best attic insulation. Thus the air in the attic is connected with the air in the house. Because it requires professional installation closed cell foam insulation is pricey but it offers r 6 thermal value for every inch of thickness.
Spray foam insulation that s convenient and easy to use. Both low density open cell and medium density closed cell spray foam can be used in an unvented attic to provide the needed thermal resistance and airtightness. 100 free of cfcs vocs penta bdes urea formaldehyde. This medium density spray foam is a closed cell spray foam that is typically used where there is the need for r value insulation per inch possible.
The evaluation service report esr for spray foam insulation products provides a valuable resource based on a third party review of testing information useful for utilizing these products successfully and according to code requirements. But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor. This type of spray foam offers the specific benefits of continuous insulation interior wall cavity fill and unvented attic applications. Class i e 84 fire retardant meets building code spec.
Whereas blown in insulation works by filling the. Use closed cell foam it green for attic rafters.