Understanding Spray Foam: Open Vs. Closed, Density & R-Values
CLOSED-CELL VS. OPEN-CELL FOAM You’re at the right place if you aim to learn about spray polyurethane foam insulation. Before using a spray foam application on a project, it is important to establish whether you will use .05 lb./cu. ft., open-cell spray foam or 2.0 lb./cu. ft. closed-cell spray foam. The differences are significant when …
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