THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. This is not sticky, like jb weld is. However, in areas where the continuous temperature is less than 450º F, we do recommend our HighHeat epoxy putty stick. 1 Stars, 5 product ratings 5. Example number 1 – Your exhaust manifold has developed a stress crack near a bolt. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items. Use Code: JUST4YOU. It cures to a tough, hard bond with little to no shrinkage. Because of the extreme temperatures of exhaust systems, we do not recommend J-B Weld for use on exhaust manifolds and catalytic converters. As is all too common, your mechanic is wrong, JB weld won't catch fire if you throw it in a volcano. ExtremeHeat , is formulated to allow for repairs to iron, steel and metal in high temperature environments up to 1300º,C. Can you install a muffler without welding? THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. I have a Minnappolis Moline U that has a cracked exhaust manifold, I took it to a weld shop and they were unable to weld it,they did heat it first. When fully cured, this metallic compound can be drilled, machined or sanded. Get yours online today and pick up in store. 1. The Following User Says Thank You to Goodwrench708 For This Useful Post: Nomad 2nd. Nor do we recommend the product for repairs within the combustion chamber. Consequently, can JB Weld be used on intake manifold? 3. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items. The high heat epoxy is best used for areas where the continuous heat exposure is less than 500 degrees. JB Weld on an Exhaust manifold is pointless, the manifold will regularly expand and contract due to immense heat from engine use, causing the JB weld to wear out and fail quite quickly. Secondly, will JB Weld catch fire? Re: Will J B Weld work between exhaust manifold gasket and head in reply to Steve, 05-20-2002 10:10:22 Steve, I know you dont want to hear this, but if the head or manifold is badly pitted Ive never ahd any luck holding a gasket REGARDLESS of what high temp filler or sealer or epoxy or muffler repair seal or JB Weld … This industrial-strength product outperforms conventional epoxy putties at high temperatures and sets in 1 hour […] In Stock. 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. FiberFix Heat Wrap- For Exhaust Pipes and High Temp Repairs, 2"x70". Tweet this Post! You can weld it with nickel cadmium rod, gotta drill each end of the crack first though otherwise that crack will continue When properly mixed, applied and cured, the JB Weld adhesive is resistant to water, gasoline and other petroleum products available on the markets and in use today. The JB weld was made as an alternate of torch welding. J-B Weld HighHeat is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. Then two stove 250 heat up cool down cycles. Survivor : Join Date: Feb 2012. your best bet is probably to have it welded or to replace the manifold but you could give the jb weld a shot. Details about JB WELD EXTREME HEAT 1300°C HIGH HEAT PASTE EXHAUST MANIFOLDS STEEL METAL #37901. Its really not rocket science to mix jb weld. jb weld has been used in so many different situations like that so i cannot say that you cant. HighHeat is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. Took a little prep work to get manifold ready to accept the JB weld. Mixable epoxy specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications such as exhaust manifolds, tail pipes, muffler 5. JB Weld ExtremeHeat is the perfect repair solution. 4.2 average based on 42 product ratings. Non-flammable, it contains no solvents or Volatile Organic Compounds (VOCs). I broke two small pieces off of an antique potbelly stove trying to get the firebox open. If you buy just a muffler itself (IE generic magnaflow) it IS possible to do it without welding but not worth … Kept me from having to buy a new exhaust manifold. A few days after putting it … JB WELD EXTREME HEAT: Is formulated for repairs to iron, steel and metal in high temperature environments-2400°F / 1300°C. It took 2 hours of the Wen 2350 rotory tool work to get it ready to applying it. See how it goes. anyone ever patch an exhaust manafold with high temp JB weld? 5 Stars, 29 product ratings 29. Use Code: JUST4YOU. So now I am thinking epoxy. Exhaust manifolds can be tricky. Fix it so you can sell it, owning a boat is always a financial … And of coarse 24hrs cure time. It cures to a tough, hard bond with little to no shrinkage. Non-flammable, it contains no solvents or Volatile Organic Compounds (VOCs). … J-B Weld High Heat Epoxy Putty High Heat is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. Unfortunately it … Shop for J-B Weld ExtremeHeat organic repair paste with confidence at AutoZone.com. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers /fireboxes, and many more crack-prone items. 20% off orders over $120* + Free Ground Shipping** Online Ship-To-Home Items Only. 20% off orders over $120* + Free Ground Shipping** Online Ship-To-Home Items Only. #31 05-04-2018, 06:28 AM bilmac. Once the sealant dries, it creates a strong and permanent seal, which is stronger than steel. Sign In. They work just fine. 3 Stars, 3 product ratings 3. Non-flammable, it contains no solvents or Volatile Organic Compounds (VOCs). Would recommend. JB Weld ExtremeHeat is not an adhesive like JB Weld epoxy, meaning it is not designed to bond two parts together; it is intended to repair cracks and holes in high heat parts. OP....spend the 10 bucks....follow the prep procedures. Although I got one piece to solidify and dry, and it seemed like I was going to be able to use it, it fell apart before I could heat cure it. J-B Weld Hi-Temp Red Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist. 4. JB WELD EXTREME HEAT 1300°C HIGH HEAT PASTE EXHAUST MANIFOLDS STEEL METAL #37901. Thanks [Log in to Reply] chucksoliver77 03-19-2013 16:27:18. It is … J-B Weld ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). 2. Kelly is right on this.JB Weld,though a great product,is not suitable for applications in extreme heat,or where temperature fluctuates,like a manifold.If your manifold is cracked,replace it.Dorman Industries make exceptional replacements and range from $100-$300,depending on the application.They can be obtained through most Carquest auto parts stores. This stuff works. J-B Weld 37901 Extreme Heat is made to offer repair to metal, iron, and steel in high-temperature environments of up to 2400°F / 1300°C. 1 … See all 36 reviews. Don't even think about omitting this issue when people come to inspect the boat, knowing about a problem and not informing buyers is fraud. JB WELD EXTREME HEAT: Is formulated for repairs to iron, steel and metal in high temperature environments-2400°F / 1300°C. It would just disappear. Good quality. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items. The bond can only be removed through drilling, sanding, or machining. High temp JB weld wouldn't even cure a leak I had in my old muffler (rock sorta got it). i had a friend that used it on the face of a piston in a 5.7 liter engine for an el camino and he as not easy on anything. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items. Click to see full answer. J-B Weld Exhaust System Sealant is a heat resistant paste that is used to seal gaps, smooth seams or seal pipe connections within an exhaust system reassembly or repair. J-B Weld High-Heat Epoxy Stick 8297. Parts are just part of what we do. Good value. J-B Weld Adhesives and Sealants - 'The Original Cold Weld' two part epoxies are effective even in the harshest environments. 42 product ratings. JB WELD EXTREME HEAT: Is formulated for repairs to iron, steel and metal in high temperature environments-2400°F / 1300°C. It cures to a tough, hard bond with little to no shrinkage. And that doesn't get as hot as the manifold. 4 Stars, 4 product ratings 4. 2 Stars, 1 product rating 1. Bâtonnet de mastic à l'époxyde J-B Weld pour température élevée offrant une résistance de 800 lb/po² à température ambiante et de 600 lb/po² à 400 °F Peut résis J-B WELD EXTREME HEAT 1300°C HIGH HEAT PASTE EXHAUST MANIFOLDS STEEL METAL . I used it on an intake manifold once, worked pretty good. There wasn't a good way to hold the pieces onto where they needed to be to reattach them. What is the best kind to use, JB Weld is good to 600F, how hot do think an exhaust manifold on a tractor gets? 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