Polyurethane Foam Roof System
Spray Foam Roofing (SPF) — Simple Overview What It Is Spray Polyurethane Foam (SPF) roofing is a closed-cell insulation that is sprayed onto a roof surface, typically at a thickness of 1–2 inches. The foam itself provides insulation and creates a seamless surface, but it is not waterproof on its own and must be protected….