JM Corbond Open-cell Spray Polyurethane Foam (oc SPF) insulation is a two component, low-density, nonstructural insulation system designed for interior commercial, residential and industrial applications. It is 100% water blown. This multi-functionality results in high performing buildings that are energy efficient, comfortable, and have better air quality. The low-density nature allows for tremendous yield while providing excellent air, heat and sound control. JM Corbond oc SPF is compatible with most common construction materials.