3M High Temperature Flue Tape, High Heat Sealing Tape up to 600 degrees, 1.5' in x 15" ft Roll, Stops leaks from hot air ducts, Made in the USA, Silver (2113NA)

3M High Temperature Flue Tape, High Heat Sealing Tape up to 600 degrees, 1.5' in x 15" ft Roll, Stops leaks from hot air ducts, Made in the USA, Silver (2113NA)

Rutland Products Black, 10.3 fl oz Cartridge Furnace Cement, 10

Kraken Bond High Temperature Black Fireplace Sealant 2732°F - (1x10.1oz.) Fire Resistance Up to 2732°F, High Temp Fire Caulk for Ovens, Stoves, Chimneys - Fast Dry, Paintable, Non-Flammable, 1 Pack