Heat Fighter Black Fireplace Sealant Withstands Up To 2700F Direct Flame Sealing For Fireplaces, Stoves, Ovens, Chimneys And Grills Sticks To Brick, Concrete, Stone And Metal Non Flammable Quick Dry Paintable Cartridge

Extreme-Temp Fireplace Sealant for 2700°F Joints (1-pack)
✔️ Heats to 2700°F; bonds brick, concrete, stone, metal; quick cure

This heat-resistant sealant is designed for direct flame contact and high-temperature sealing in fireplaces, stoves, ovens, chimneys, and grills. It forms a durable, non-flammable seal that sticks to brick, concrete, stone, and metal, helping prevent gaps and heat loss.

✅ Seals up to 2700°F direct flame exposure; durable in high-heat joints
✅ Adheres to brick, concrete, stone, and metal with no cracking after curing
✅ Skin forms in 3-5 minutes; easy toolability for clean joints
✅ Seals gaps around fireplace doors, stove pipes, and flue connections
✅ Low odor, indoor-safe formula; cures dark grey and hard
✅ Paintable after curing; non-flammable and heat-resistant

💡 What is a high-temperature fireplace sealant used for?

• Helps seal joints and gaps in areas exposed to direct flame and heat
• Adheres to brick, concrete, stone, and metal surfaces for lasting joints
• Withstands 2700°F direct flame exposure for durable performance
• Low odor formula suitable for indoor use and quick curing