EXTREME HEAT RESISTANCE UP TO 2700°F: Withstands intense heat for fireplaces, stoves, ovens, grills, chimneys, and furnaces. Ideal for any high heat application indoors or outdoors. FIREPROOF & NON-FLAMMABLE FORMULA: This black high temp silicone sealant is fire caulk rated and designed to resist direct flame exposure, ensuring long-lasting fire barrier protection. MULTI-SURFACE COMPATIBILITY: Bonds to brick, stone, metal, concrete & mortar. Suitable for sealing fireplace surrounds, BBQ pits, wood stoves, exhaust systems & more. PAINTABLE & CLEANABLE SURFACE: Once cured, sealant can be painted to match your surface. Clean up is easy with water before curing. Ideal for both DIYers and professionals. EASY APPLICATION & SMOOTH FINISH: Applies effortlessly with a caulking gun and dries fast. No cracking, no crumbling, perfect for exterior caulking and weatherproof sealing. Stanley 2700°F High Temperature Fireplace & Stove Sealant is a professional-grade, high heat resistant caulking solution designed to perform under extreme conditions. Engineered to withstand temperatures up to 2700°F (1500°C), this silicate-based, non-flammable fire caulk is the ideal solution for sealing and repairing fireplaces, ovens, wood stoves, chimneys, grills, furnaces, and more. Perfect for filling cracks and sealing joints on brick, metal, stone, concrete, and mortar surfaces, Stanley's black high temp sealant creates a durable, long-lasting bond. Whether you need a high temperature RTV, fire caulking red, or high temp thread sealant, this versatile product delivers unmatched performance. With a fast drying, paintable, and easy-to-clean formula, it offers both professionals and DIYers a smooth and hassle-free application. Once cured, it becomes ultra-hard and dark grey, providing a solid fire barrier and exceptional heat resistance for years to come.