Furnace Cement Caulk

Seal smaller gaps in your furnace with regular silicone caulk.

Furnace cement caulk.

Use this smooth consistency cement to bond and seal metal to metal or metal to masonry joints less than 1 8. Stove and fireplace cement. How to seal around exterior furnace vents. Furnace cement is perfect for sealing between firebricks and sealing the collar of your wood stove.

Range 40 degrees to 100 degrees f for use with standard caulk gun meets astm e136 from the manufacturer. Modern furnaces are so energy efficient that much of the heat. Black furnace cement tub model 64 6 97 6 97. Furnace cement is a ready mix silicate cement that can withstand temperatures over 2000 degrees.

Furnace flues require special sealing techniques. Fix a crack seal the collar to the top of a wood stove or seal between firebricks and prefabricated fireplace. Silicate cement base silicate cement size 10 1 oz container type tube color black specific gravity 1 8 performance temp. Furnace cement is the go to product for filling cracks and voids in furnaces stoves and other appliances that regularly produce high temperature environments.

If you are sealing a gap around the heat exchanger use a high. Sure enough crumbling cement caulk and light could be seen by shining a very bright light from the inside of the stove directly at certain seams after struggling to find a grey furnace cement locally i ordered red devil 121 on amazon. Community q a. Because the pipe gets hot building codes usually require 1 inch of clearance from metal flues 2 inches from masonry chimneys to any combustible material including insulation.

The opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic. Chamber safe refractory parging material. Older less efficient furnaces used to be vented via an exhaust pipe running to a chimney. Use as a cement or a sealant for wood stoves firebricks mortar joints and gasket adhesive.

Rutland furnace cement is premixed and ready to use making it one of the easiest cements to apply. Free delivery with 45 order. Range 0 degrees to 2000 degrees f flash point greater than 200 degrees f application time 1 hr application temp. Although application can seem like an intimidating process a bit of simple.

Set your store to see local availability add to cart. Free delivery with 45 order. The black stuff would have been butt ugly.