JM IV HFO Corbond® closed cell spray polyurethane foam (SPF) is a next generation HFO blown, two-component, medium-density, Class 1 rated, SPF insulation system. JM IV HFO is designed to insulate commercial, residential and industrial buildings. The HFO technology allows JM IV HFO to be produced with a Global Warming Potential (GWP) of less than one and with an Ozone Depletion Potential (ODP) of zero.
