Spray Foam Insulation – Ceiling & Roof Insulation Using Polyurethane Spray Foam A polyurethane roof is 100% seamless and bonded. Spray applied as liquid, polyurethane bonds tenaciously to the prepared substrate, eliminating the need for glues and fasteners. It forms a one-piece blanket of waterproofing insulation because the system is entirely self-flashing. It is highly … Continue reading Ceiling & Roof Insulation