12 Pack of 10.1 oz Dap 18854 High Heat Mortar Black Fire Resistant Mortar

10 OZ, High Heat Mortar, Non-Combustible Silicate Cement For Applications In Wood Frame Construction Where An ASTM E 136 Sealant Is Required, Can Be Used For Patching & Sealing Around Fireplaces & Wood Burning Stoves, Withstands Temperatures Up to 2000 Degrees, Sets Rock Hard When Fired, Water Clean Up.