J-B Weld ExtremeHeat High Temperature Repair Paste
J-B Weld ExtremeHeat High Temperature Repair Paste
J-B Weld ExtremeHeat is a specially formulated repair paste that withstands continuous temperatures up to 1,093°C (2,000°F). Ideal for sealing and repairing cracks, gaps, and breaks in high-heat applications including exhaust systems, boilers, furnaces, fireplaces, and engine components.
- Withstands temperatures up to 1,093°C (2,000°F)
- Ideal for exhaust systems, boilers, furnaces, and fireplaces
- Bonds to metal, concrete, and ceramic surfaces
- Sets hard and resists vibration, water, and chemicals once cured
- Easy to apply paste formula — no mixing required
- From world-renowned repair brand J-B Weld
Always read the label and follow safety instructions before use.
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