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Product Details
ExtremeHeat™ is formulated to allow for repairs to iron, steel and metal in high temperature environments (1000°F / 537°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).
J-B Weld Extreme Heat Paste helps fill holes and cracks in metal surfaces
Hi-temperature resistant metallic paste hardens like steel within 1 hour
Heat resistant up to 1000°F/538°C
Perfect for exhaust system repairs, engine blocks, mufflers, outdoor grills and tail pipes
Size: 3 oz (85 g)
| Part Number | 37901CAN |
|---|---|
| Chemical Form | Gel |
| Primary Material | Not Applicable |
| Colour | Metallic |
| Product Volume (L) | 0.09 l |
| Package Form | Jar |
| Flammable | No |
| Non-toxic When Used as Intended | Yes |
| Product Use(s) | Metal |
| Advanced Features | No Advanced Features |
| Product Height (in) | 7.50 in |
|---|---|
| Package Width (in) | 3.88 in |
| Product Weight (lb) | 0.25 lb |
Warranty:
- This product carries a 1 year exchange warranty redeemable at any Canadian Tire store.
Online Ordering
- Pick Up is free at most stores (some stores require a minimum order value before tax)
- Shipping fee is based on size and weight of products and distance from address to store
- Same-Day Delivery costs $9.99 per order
- Online Ordering Information
Returns
- Most products can be returned or exchanged at any Canadian Tire store within 90 days of purchase
- Some products are non-refundable and non-exchangeable
- The return policy outlined above may not apply to the product you are currently viewing. For complete details and eligibility, please refer to our Return Policy for exceptions.
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Only Show Differences | Currently Viewing | |||||
| Ratings | ||||||
| Chemical Form | Gel | |||||
| Primary Material | Not Applicable | |||||
| Colour | Metallic |
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Rating
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1 to 5 of 64 Reviews
1 – 5 of 64 Reviews
Most Recent
1 out of 5 stars.
Not the greatest!
a day ago
I tried this product to adhere a couple of items and found after 24 hours it was still soft and did not hold
Helpful?
1 out of 5 stars.
Did not work for me
3 months ago
I purchased this paste did my repair and it fell apart after the recommended set up time so maybe it works well with other applications but not what I had to do .
Helpful?
Response from jbweld Team:
3 months ago
jbweld Team
Please contact us at jbweld.com for help with this application
5 out of 5 stars.
ATV exhaust manifold repair
3 months ago
Bought the Extreme Heat JB Weld to repair a cracked exhaust manifold on my 2004 Polaris Sprtsman 700. I made sure to clean the repair area properly, applied the putty and waited a few hours prior to use. Worked out great. JB Weld is a fraction of the cost compared to a replacement manifold. Highly recommend.
Helpful?
1 out of 5 stars.
not a very good product
4 months ago
I guess if you wait 3 days maybe it will be get hard enough to tap or machine it?, is not like other jbweld products I tried, this will not work on pressurized places like a exhaust manifold and such
Helpful?
Response from jbweld Team:
4 months ago
jbweld Team
Contact us at jbweld.com for help with this. 3 days is too long, and the product may be bad
4 out of 5 stars.
Reparation de petites fuites.
4 months ago
Pour la réparation de petits trous dans la ligne d'échappement. Assez facile a installer, suffit de brasser et appliquer. Usage unique car ca durcit une fois mélangé
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1 – 5 of 64 Reviews
Questions
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1 - 9 of 9 Questions
Most helpful answers
Q: Will this work on an car exhaust manifold?
2 years ago3 Answers
A: ABSOLUTELY!!!!
a year agoHelpful?
Q: Could this work to glue a ceramic log broken in half from a propane gas fireplace
3 years ago3 Answers
A: I don't think it would. It is much like muffler cement - it would cover a small hole, but doesn't really 'stick' things together like other epoxies. But worth a try.
3 years agoHelpful?
Q: What's the difference between this and something like J-B Weld Original Professional Steel Reinforced Epoxy Twin Pack?
9 months ago2 Answers
A: It hold really strong and resolves my problem. Nice product.
9 months agoHelpful?
Q: would it work to repair an electric toaster
a year ago2 Answers
A: I used it to repair an engine intake. I could work for the toaster but I would not use it on something that I am going to eat from.
a year agoHelpful?
Q: could this work for a crack to a wood stove
2 years ago2 Answers
A: Yes it would likely work on a wood stove if the surface is a bit rough/porous. I used it to seal a gap between the exhaust manifold and the engine block. It stuck well to the manifold because it's rough cast iron but it didn't stick to the engine block because its smooth aluminum.
2 years agoHelpful?
Q: Does it work to seal transmission fluid metal line?
4 years ago2 Answers
A: I used it for a wood stove... not sure how it will work on a metal line with pressure in it... but there is something special already invented for a leak on break lines on different diameters. It's a metal system similar to house plumbing. Auto parts stores should have it, not sure if CT has it though
4 years agoHelpful?
Q: 2 questions: 1. Will this work on stainless steel exhaust, 2. Why are there 2 pictures, 1 rating heat resistance at 1000 f and the other at 2400 f? Which is it?
2 years ago1 Answer
A: The correct rating is 1000F after further testing. Will not adhere to SS. This needs to be TIG welded for the best repair
2 years agoHelpful?
Q: Will it join two stainless steel pieces which will be in a high temperature environment
2 years ago1 Answer
A: I went into the store on a bright sunny day...I encountered two beautiful dogs in the aisle and I bent down and stroked them gently. After that encounter I walked slowly through the paint section and was amazed at all the wonderful colors. Then I went to the pet food section and picked up some soft catfood for my putty cats. Finally upon leaving the store I remembered that I forgot to pick up some jb weld,. I guess I'll just have to wait patiently now until my next trip.
2 years agoHelpful?
Q: Will the high heat paste work inside a snowmobile chain case. Will the oil affect the JB Weld performance
3 years ago1 Answer
A: No don't use this. Its water based and will dissolve. Use black RTV silicone. Either our Ultimate Black 32329 or an equivalent
3 years agoHelpful?
