"NGP Edge" Low Profile Intumescent Fire & Smoke Seal. Edge Sealing System is UL 10C (Category G) Classified for perimeter and meeting edges of pairs. 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 UL 10C (Category H) classifed. Tested to UL 1784. Complies with IBC, NFPA 80, NFPA 105, NFPA 252. Available in gray and dark brown. This is a non-stock item. Please allow 7 to 10 days for delivery. Please specify color in order comments when ordering.