Rutland High Heat Latex Sealant 800F, Seal It Right High Temp RTV Sealant and Fire Caulk for Chimney, Fireplace, and Wood Stove Pipe Repair - Flexible Heat Resistant Substitute for RTV Silicone

Built for Extreme Heat. This high temp adhesive withstands intense firebox conditions, making it a dependable choice whenever you ask what actually holds up near open flame

Stove Pipe, Direct Vent and Stove Collar Sealing: Formulated as a high temp stove pipe sealant, it will withstand temperatures at the stove collar while remaining flexible; bonds metal stovepipe joints, wood stove seams, and even brick fire pit surrounds with a lasting seal

Seal It Right Latex Fire Caulk: Functions as fire caulk and heat resistant putty for sealing gaps around fireboxes, flue collars, and damper plates that see repeated temperature swings

Chimney and Fireplace Repair. Works as a chimney crown sealer and fireplace sealant; fills cracks and gaps where masonry meets metal so smoke and drafts stay where they belong

Versatile Thermal Sealant. A black thermal sealant and heat resistant adhesive suited to fireplace repair, chimney leak sealer tasks, and general high heat caulk applications around the home and hearth