GreenSeal 3.5 is a sprayed-in-place, nominal 80 psi compressive strength, rigid, -blown, closed-cell spray polyurethane foam (SPF) roofing system. This two-component SPF consists of GreenSeal 3.5 B Component resin and GreenSeal A Component. GreenSeal 3.5 provides an R-value of 6.3 per inch and a continuous insulation without thermal breaks. GreenSeal 3.5 SPF roofing systems provide excellent wind uplift, are self-flashing and seamless, and the closed-cell nature provides a durable, leak-resistant roofing system.