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J-B Weld

We sell the full J-B Weld epoxy and adhesive range, trusted since the 1960s for bonding metal, plastic, wood, ceramic and more. Stock includes the Original Cold-Weld epoxy alongside specialist formulas such as PlasticWeld, WaterWeld, MarineWeld and SteelStik, in both syringe and putty formats.

Whether you're repairing a cracked engine block, a leaking pipe, or bonding dissimilar materials together, J-B Weld has a formula built for the job. If you need a structural or engineering-grade adhesive instead, see our Bondloc range, or filter below by product type to find the right J-B Weld epoxy for your repair.

J-B Weld– Now available at MTN Shop UK.
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J-B Weld – Product list

J-B Weld: Epoxy Adhesives Since the 1960s

MTN Shop sells J-B Weld, a US brand trusted since the 1960s for high-strength epoxy adhesives and repair compounds. The range covers general-purpose bonding through to specialist formulas for plastic, water, marine and high-heat applications, in liquid, syringe and putty formats.

Choosing the Right J-B Weld Formula

  • Original Cold-Weld: the classic two-part epoxy, bonding metal, wood, ceramic and more, available in 30ml, 148ml and syringe formats.
  • KwikWeld: a fast-setting epoxy for quick repairs where the Original's longer cure time isn't practical.
  • PlasticWeld & PlasticBonder: epoxy putty and syringe formulas formulated specifically for bonding plastics, available in black and tan for colour-matched repairs.
  • WaterWeld: an epoxy putty that cures underwater or on wet surfaces, suited to pipe and tank repairs.
  • MarineWeld: a waterproof epoxy adhesive formulated for boat and marine repairs.
  • SteelStik: a steel-reinforced epoxy putty for repairing and rebuilding metal surfaces.
  • HighHeat & ExtremeHeat: epoxy formulas rated for high-temperature applications such as exhaust and engine repairs.
  • KwikWood: an epoxy putty formulated to bond, fill and rebuild wood.
  • FiberWeld Pipe Repair Cast: a fibreglass-reinforced wrap for repairing pipes under pressure.
  • Perma-Lock Threadlockers: medium (blue) and high (red) strength threadlockers for securing fasteners against vibration and loosening.

Choosing Between Putty and Syringe Formats

Epoxy putty formats, such as SteelStik and WaterWeld, are hand-mixed and moulded by hand, making them well suited to filling gaps, rebuilding damaged sections or repairing curved surfaces. Syringe formats dispense two parts simultaneously in equal ratio, making them easier to apply precisely to a joint or crack, and are generally the better choice for bonding two surfaces together rather than filling or rebuilding.

Other Adhesives and Sealants

If your repair needs a structural or engineering-grade adhesive rather than epoxy, see our Bondloc range, covering anaerobic adhesives, instant adhesives and structural acrylics. For general construction sealing and weatherproofing, we also stock Geocel and Evo-Stik.

Not sure which J-B Weld formula suits your repair? Contact our team for advice.

Frequently Asked Questions

Both are general-purpose two-part epoxies, but KwikWeld sets significantly faster, making it better suited to quick repairs. The Original Cold-Weld has a longer cure time but is the classic, widely trusted formula for maximum bond strength on metal, wood and ceramic.
Yes, but the general-purpose formulas aren't formulated specifically for plastic. For plastic repairs, use PlasticWeld or PlasticBonder, which are formulated to bond to plastic surfaces more effectively than the Original epoxy.
Yes, WaterWeld is specifically formulated to cure underwater or on wet surfaces, making it suited to pipe leaks, tank repairs and other jobs where the surface can't be fully dried before repair.
Putty formats are hand-mixed and moulded, better suited to filling gaps and rebuilding damaged sections. Syringe formats dispense both parts in equal ratio for precise application to a joint or crack, and are generally better for bonding two surfaces together.
The HighHeat and ExtremeHeat formulas are specifically rated for high-temperature applications such as exhaust and engine repairs. The general-purpose formulas have lower heat resistance and aren't recommended for consistently high-temperature repairs.

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