DAP High Heat Mortar Sealant 10.1 oz 12-Pack

The DAP High Heat Mortar Sealant in black is designed to withstand extreme temperatures, making it ideal for sealing and bonding fireplaces, stoves, and other heat-exposed applications. Each pack contains twelve 10.1 oz cartridges, featuring a hybrid base formula for long-lasting durability and superior adhesion. This mortar sealant is suitable for both professional contractors and DIY enthusiasts working on high-heat projects. Application is easy with standard caulking tools, ensuring reliable performance where you need heat resistance most.