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⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
J-B Weld ExtremeHeat™ Putty 85g

J-B Weld ExtremeHeat™ Putty 85g

Shop All J-B Weld
SKU JBW37901UK-TOOLBANK
Sold out
£8.49 - £8.49
£8.49
£8.49 - £8.49
£8.49
Availability:
Out of stock

Est Delivery 3 - 7 Working Day

Shipping information


We work hard to get your order out quickly and securely.

  • Fast Dispatch – Orders are processed promptly once placed.
  • Trusted Couriers – We use reliable delivery partners.
  • Clear Costs – Shipping is calculated at checkout, based on size and weight.
  • Peace of Mind – We’ll keep you updated every step of the way.
Returns & warranty
  • 28 Days to Return – If it’s not right, just bring it back in its original condition.
  • Quick Refunds – Once we’ve checked your return, we’ll refund you promptly.
  • Clear & Fair – Some items (like cut-to-size or opened packaging) can’t be returned, but we’ll always let you know upfront.

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.

🔨 Trade Prices for Everyone

Why pay more? We keep our prices rock-bottom so whether you’re a trade professional or DIYer, you always get the best deal.

🏠 Local & Independent


We’re Northampton’s trusted family-run store, supporting local people with great products and honest service.

🚚 Easy Pickup or Local Delivery

Order online and collect in-store, or get heavy items like blocks and cement delivered straight to your site.

👍 Friendly, Helpful Service

Our staff know their stuff — whether it’s building materials, DIY or garden, we’re here to help you get the job done.

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