- FIBERWELD AUTOMOTIVE REPAIR CAST: A high-strength fiberglass wrap, impregnated with a specially-formulated resin for automotive repairs. When activated by water, the product forms a strong, permanent bond that hardens like steel in 15 minutes. Once cured, FiberWeld is temperature resistant up to 400°F and holds water pressure up to 100 PSI.
- SOAK IT, WRAP IT, DONE: Once the wrap is dipped in water for 5-7 seconds, FiberWeld Automotive Repair Cast has a working time of about 5 minutes and a cure time of 15 minutes! The product achieves full strength in about 2 hours.
- PRODUCT FEATURES AND STRENGTH: Once fully cured, J-B Weld FiberWeld Automotive Repair Cast has a temperature resistance of 400°F, holds water pressure up to 100 PSI, and can be sanded and painted!
- AUTOMOTIVE APPLICATIONS: Radiator & heater hoses, tailpipes & mufflers, oil & transmission lines, vacuum lines, outside mirrors & roof racks, and RV & boat emergency repairs.
- EVERYTHING YOU NEED: The kit includes a pair of gloves and a 2″ x 24″ securing bandage!
- DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.


Frete Grátis em todo o BrasilProduto Original Importado dos EUA
J-B Weld FiberWeld 2″ x 36″ Automoitve Repair Cast, Black (38237)
*$355.70
Informação adicional
Brand | J-B Weld |
---|---|
Color | Black |
Material | Fiberglass |
Number of Items | 1 |
Recommended Uses For Product | Electrical, Plumbing, Outdoor, Indoor |
Special Feature | Hards like steel, Temperature resistant up to 400°F, Water pressure resistant up to 100 PSI |
Product Dimensions | 1.5"L x 4.94"W x 7.87"Th |
Surface Recommendation | Metal, Plastic, Cloth |
Water Resistance Level | Water Resistant |
Size | 2" x 36" |
Item Thickness | item_thickness.string_value Inches |
Upper Temperature Rating | 400 Degrees Fahrenheit |
Compatible Material | Fiberglass |
Unit Count | 1.0 Count |
Manufacturer | J-B Weld |
UPC | 043425382375 |
Item Weight | 2.89 ounces |
Country of Origin | Afghanistan |
Item model number | 38237 |
ronald hales –
Works great. Use it on 2″ aluminum irrigation pipe.
Patrick –
Habe noch nicht probiert
benjamin –
Used on a backhoe muffler that mounts vertically under the hood. The top of the muffler where it joins a vertical 2″ stub was fairly rusted out. Easily wrapped the damaged area and it hardened up VERY quickly. No more leak or loud noise. Saved me hundreds of dollars v.s. buying a hard to find muffler.
They do have you wrap it with a “bandage” until it cures and they tell you to take it off in a few minutes. They are serious on ” a few minutes”. It gets locked in quickly; don’t delay.
Good, effective product.
Michael –
I’ve used this before and it’s by far the best out of all the other similar products. If you follow the instructions, it last for a long time. They just have to remember to prep the surface correctly. And it will last. I had to repair my exhaust because someone stole my catalytic converter a year ago. And the repair lasted a year. ⭐⭐⭐⭐⭐
lyndie –
Throw away the included gloves and go buy a box of nice ones, trust me, the extra $$$ is worth it to save your hands because that resin is no joke. If you do get it on your hands I’ve found nothing will actually remove it, not alcohol, goo gone, debonder, dish soap, simple green…your best option is to just rub dirt on your hands to make them not stick to stuff until it cures then keep rubbing dirt on it until it fades and enjoy having permanently dirty looking hands for a week or so until that layer of skin wears down.
Once it activates you have about 30 mins before its locked in place. I used it prior to having any leaks actually so I can’t tell you if it stops them but my situation was this; since I don’t have access to a welder and wanted to install an exhaust system, I used a wrap of this under each of the clamp bands for additional sealing of the joints. So far I’ve had no noise, no fumes, and no rattle so it seems to be doing a good job.
Dan –
Works as described
Matthew G. –
Bought this to cover a small hole in exhaust. Worked great and very easy to apply but only lasted for about 4 days before it blew through the tape. used on a 99 wrangler
John Smith –
I had high hopes with this product. It was fairly easy to follow the instructions, and the included gloves were nice for handling the sticky material once wet. It wrapped around our broken exhaust and hardened nicely, just like a cast would for a broken arm. I was so proud of my work. It solidified nicely. But on the maiden voyage post-repair (after waiting the required cure time), my sister in law could smell something burning/melting, and the exhaust snapped cleanly through the cast repair. Very disappointing.
Kos3838 –
Vivo lejos de la ciudad y esperaba que esto funcionara. Hice todo de la manera correcta y lo dejé secar toda la noche…. pero cuando llevé mi Quad para probarlo, duró un día y toda la resina se partió en dos. Y ahora estoy de vuelta al punto de partida. Mi silenciador se rompió nuevamente y este producto fue una total pérdida de dinero. Estoy muy triste ahora.
Matthew G. –
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Had a complet break of exhaust pipe on my silverado
Exhaust work is expensive, so
I figured I’d give this quick fix a shot.
Very easy to use & install
I wasnt able to wrap the pipe with a 2″-4″ overlap like they recommended because of where my break was BUT..
I wrapped it & let it sit over night
To be 100% sure it would cure completely. Its rock solid.
Follow the simple directions –
(Scuff area with sandpaper to clean the break area before you wrap it)
The second i fired up my truck
It was back to sounding great,
WORKED PERFECT & has been continuing to work perfect.
Absolutely happy with product.
Would buy again & Will buy again