Johns Manville. A selection of hybrid insulation solutions are available using various combinations of air-sealing and insulating products, including JM Corbond III high-density closed-cell polyurethane foam; JM ocSPF low-density polyurethane foam; MR-faced, Kraft-faced, or EasyFit fiberglass insulation batts or rolls; JM Spider spray-in fiberglass insulation; or BIBS HP blown-in fiberglass insulation. Insulation products are formaldehyde-free and SCS certified for post-consumer and recycled content, and contribute to LEED credits. 800.654.3103.