Products / Mule-Hide SPF+ HFO

SPF+ HFO is a sprayed-in-place, rigid, HFO-blown, closed-cell spray polyurethane foam roofing system made of an SPF+ HFO B-component resin and an SPF ISO A component, supplied in 55-gallon drums. It is offered in SPF+ 2.5 HFO (nominal 40 psi), SPF+ 2.8 HFO (nominal 60 psi) and SPF+ 3.0 HFO (nominal 70 psi), each with its own data sheet. The SPF+ 2.5 HFO data sheet lists an R-value of 6.2 to 6.8 per inch, states the foam meets ASTM C1029 Type III and Type IV, ASTM D7425 and ICC Acceptance Criteria 377, and cites UL 790 listing R13850.