Spray Foam insulation Contractors

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Spray Foam insulation R Value

Does spray foam insulation have building code approvals?
What is the difference between vented and unvented attics?
What is the difference between open cell and closed cell spray foam?
How does spray foam insulation save money when compared to fiberglass or cellulose?
Will spray foam insulation stay in place?
How long does spray foam last?
Is spray foam considered an air barrier?
Does spray foam insulation aid in the growth of mold?
How is spray foam insulation installed?
How does spray foam insulation control moisture movement and condensation?
What is the flame spread and smoke development of spray foam insulation?

Is there an odor? If so, should I be concerned?


There are no blowing agents such as CFC’s (chlorofluorocarbons) or HCFC’s (Hydro chlorofluorocarbons) in SPF products. Spray foam insulation is produced by mixing 2 components at a high temperature, which causes the foam to atomize during installation. This process creates an odor and requires venting. As soon as the foam “cures” (or sets), which occurs within seconds, it no longer produces the odor. It usually takes about 24 hours for the odor to completely dissipate.

Can I make my house too airtight?