37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz, Grey

I wasn't expecting much, but JB delivered. No solvents, great repair to my exhaust silencer. Top marks.

Used this prior to powder coating on pin holes and did the job

Used it to seal a hole in a silencer box about the size of a penny. Not ideal as it was on the lower face of the box. Held in place with tape after application whilst curing. Winter application so curing took more than 24 hours. The seal held but the repair ballooned. Still in place but not an invisible repair. Useful as an interim repair.

I used this to repair the steel hood on an old Tilley storm lantern. It's right at the end of this products temperature range so I was doubtful if it would work, but after 14 hours of running it's still holding up fine.

I needed to repair the back of my oven. The screws that held the fan cover in place had fallen out as the holes had rusted. This seemed the ideal thing to do the job but I am afraid it just didn't work for this particular project. It did harden up but just fell out when I tried to drill through it and hadn't really adhered to anything. I think this is probably best when used thickly, more as a gap filler than to create a workable surface.

Used to fix pretty big hole in exhaust for Mot. Pros: easy to apply with an old ice cream stick. Can be applied by hand and washes out easily. Cons: took several layers of application to plug the hole. First application had cracks through it after driving letting exhaust out so reapplied and reapplied and reapplied until it was totally covered. Also as I was applying this upwards, it does flow whilst drying so I had some minor jbweld stalactites. Had to keep smoothening it until it hardened. Overall, key is to apply in layers for large holes. So far seems to be holding, although we haven't driven much. Gut feeling is on long drives it will crack but good enough to get through mot. See pic for the size of hole I plugged. Would recommend as a temporary fix until you can get something more permanent.

Used this product to repair a splash grill inside my oven. A bracket to hold the grill in place had broken off. I used this compound to re fit the bracket to the grill which has to deal with very high temperatures. Excellent results, the bracket is now fitted to the grill again and everything back to normal. Would purchase this product again.

Got my old banger through its MOT and I know it needs a whole new exhaust system!! Have tried other brands this is by far the best and can tell straight away. Make sure you wire brush, sand and clean the area you’re applying it to. I didn’t have a problem with it sticking. It is a small tub though, I needed to order another one to seal all the holes but at least I didn’t mix up more than I needed.

kanon

Amazing result. Used on an old gas oven door. Unable to get parts to repair handle but this product did the trick. Very pleased.

I bought it to fill the gap developed in high pressure vessel..it is very good and handy in such situations..highly recommend.

Reparer un coude d’echapement sur un bateau le temps d’avoir la piece de rechange.

This glued me and my wifes marriage back together