DAP 7079818854 10.1 oz. Black High Heat Mortar Sealant (12-Pack)

DAP 7079818854 10.1 oz. Black High Heat Mortar Sealant (12-Pack)

DAP High Heat Fire Resistant Mortar is a non-combustible silicate cement for applications in wood frame construction where an ASTM E136 non-combustible sealant is required, such as filling around vents, pipes, ducts and chimneys at ceiling and/or floor level prior to the application of drywall products. It was tested in accordance with ASTM E136 and withstands temperatures up to 2000 degrees Fahrenheit. It can also be used to patch chipped or cracked firebrick in fireplaces or wood-burning stoves. Adheres firmly to firebrick when wet or dry and sets rock hard when fired. Easy water clean-up. Works for interior uses.

• 100% waterproof sealant provides a long-lasting seal
• DAP High Heat sealant in a mortar formula adheres well to masonry
• Sealant is ideal for vents, pipes, ducts, chimneys, and more
• Non-combustible silicate cement fireplace sealant repairs small chips or cracked fire brick, re-points mortar joints between fire bricks and bonds fire bricks together in fireplaces and wood burning stoves
• Fire stop sealant cleans up easily with water and sets rock hard once fired
• Dries tack free after air drying for 24 hours, reaches full cure after heat curing for 1 to 2 hours at 500 degrees Fahrenheit
• Sealant is paintable once heat cured
• Draft, smoke, fireblock sealant for applications in wood-frame construction where an ASTM E136 non-combustible sealant is required

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