"Intumescent Batwing" Fire & Smoke Seal. Edge Sealing System is UL 10C (Category G) classifed for up to 90 minute category B wood fire-rated doors up to 8'0" X 9'0" (pairs) 4'0" X 9'0" (single). Smoke and Draft Control Gasketing is UL 10C (Category H) classified. Tested to UL 1784. Complies with IBC, NFPA 80, NFPA 105, NFPA 252. Avialable in brown, charcoal, and white. This is a non-stock item. Please allow 7 to 10 days for delivery. Please specify color when ordering in the order comments.