Spray Foam Insulation for Homes & Commercial Buildings

Spray foam insulation can be categorized into two different types: open cell and closed cell.

Open cell foam insulation

Open cell is a type of foam where the tiny cells are not completely closed. Open cell is less expensive because it uses fewer chemicals. It is a very good air barrier but does not provide any type of water vapor barrier. It is much more sponge-like in appearance. It is often used for interior walls because it provides sound reduction. It is not recommended for outdoor applications.