DC315 Thermal & Ignition Barrier
DC315 Thermal and Ignition Barrier DC315 applied over Spray Polyurethane Foam (SPF), is an Alternative Barrier System in “Section 2603.9 Special Approval” as a thermal barrier. To be approved as an Alternative Barrier System, DC315 is applied over a manufacturer’s SPF and tested to the criteria of an NFPA 286, UL 1715, UL 1040, or FM 4880 for duration of …