J-B Weld
J-B Weld ExtremeHeat™ Putty 85g 37901UK
Model 37901UK
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked yesterday | £7.46 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £9.22 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyThis is the lowest price we have recorded. If you were waiting for a drop, this is it.
About this product
J-B Weld ExtremeHeat™ Putty is formulated to allow for repairs to iron, steel and metal in high temperature environments (1000°F / 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). Great for: exhaust manifolds, heat exchangers, mufflers, outdoor grills & fireplaces. Specifications: Temperature Limit: 538°C.Setting Time: 1 Hour.Cure Time: 24 Hours.Colour When Dry: Machine Grey.Size: 85g.
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