J-b Weld JB Weld Extremeheat - 37901UK
ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (538°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters.
This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs)
FEATURES
- Designed to withstand temperatures up to 538°C
- Designed to be used as a filler for holes and cracks
- For use on exhaust manifolds, heat exchangers, mufflers, outdoor grills & fireplaces
Product Information
Product Information
Shipping & Returns
Shipping & Returns

J-b Weld JB Weld Extremeheat - 37901UK
J-b Weld JB Weld Extremeheat - 37901UK
ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (538°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters.
This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs)
FEATURES
- Designed to withstand temperatures up to 538°C
- Designed to be used as a filler for holes and cracks
- For use on exhaust manifolds, heat exchangers, mufflers, outdoor grills & fireplaces
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (538°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters.
This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs)
FEATURES
- Designed to withstand temperatures up to 538°C
- Designed to be used as a filler for holes and cracks
- For use on exhaust manifolds, heat exchangers, mufflers, outdoor grills & fireplaces













