Closed Cell Spray Foam

Closed Cell Spray Foam Closed cell spray foam (also known as 2 pound foam) has a density of about 2 pounds per cubic foot and an R-value of 6 to 6.5 per inch.  Because it is a denser material, closed cell spray foam not only provides a vapor and water barrier to a...

Open Cell Spray Foam

Open Cell Spray Foam Insulation Open-cell foam is a relatively vapor-permeable compared to closed cell spray foam.  It weighs ½ pound per cubic foot, with an R-value of 3.5 or 3.6 per inch. Open cell foam is designed for indoor use only, and it’s semi-permeable...