1" Fire Rope to Seal most Outside Wood Furnaces Doors Diameter of the rope is 1" can be used with our High Heat Silicone for easy installation. Woodstove Gasket Rope 1 Inch Round Fiberglass Fire Rope Seal 1" Fire Rope to Seal most Outside Wood Furnaces Doors. Outdoor wood boiler fire rope, wood boiler door rope, Fiberglass Rope for Fire door, Stove Door Sealing Rope, knitted fiberglass rope, Fiberglass rope lagging, knit-braided fiberglass rope, fiberglass knit rope, Fiberglass Firedoor Rope, Fiberglass High temperature rope for packing and sealing, Wood Doctor, Shaver wood furnace, Wood Master, Central Boiler, Mahoning wood Boiler, Empyre, Heat Master, Royal wood furnaces and most companies use the 1" rope. To Install: Simply remove old Fire Rope and use regular household silicone to hold rope in place!