How does Closed Cell Foam work?
The installer fabricates the foam on-site according to manufacturer’s instructions. He or she brings the application equipment and the foam’s components to the home-building site, where framing, electrical, and plumbing are complete, and exterior siding encloses the home. A controlled reaction among a number of mixed chemicals, a blowing agent, and some other additives, produces a wet foam mass. Using a specially designed sprayer, the installer sprays the mass onto or between wall surfaces. This mass forms into a hardened cellular plastic material containing a low thermal conductivity gas, similar to the gas found between the panes in your insulated windows. The exposed surfaces of the rigid foam resemble a hard, tan colored shaving cream. Its solid nature provides soundproofing and insect resistance, and also seals cracks from unwanted gas and odor penetration. Once installed, the foam remains rigid and does not settle or sag as most other forms of insulation do. This means that it ad
