... a variety of passive fire protection products, for protecting opening fire-rated walls, ceilings, roofs, doors and windows, and through-penetration firestops for ... items such as wires, conduits and pipes. Passive fire protection is designed to contain fire retardant elements within the ... , CPVC, cc-PVC, ABS, cc-ABS, PVDF, PP, PB, PEX and FPP. Firestop Device & Fireproof Bag