ENVELO-SEAL™ 0.5 OC CL1 is the “B” component of a two-component polyurethane foam insulation systemprocessed at a 1:1 by volume. It has a 0.50 PCF spray in place density. ENVELO-SEAL™ 0.5 OC CL1 is a water blownhybrid foam insulation system. This product provides superior energy efficiency and air infiltration control. Theproduct can be used in open wall cavities, crawlspaces, perimeter rim joists, cathedral ceilings, and garage ceilings.ENVELO-SEAL™ 0.5 OC is designed as a high performance building envelope insulation system for both residentialand commercial construction.