J-BWeld
J-B Weld 38237 FiberWeld 2 in. W x 36 in. L Automotive Repair Cast Kit, Black
J-B Weld 38237 FiberWeld 2 in. W x 36 in. L Automotive Repair Cast Kit, Black
Couldn't load pickup availability
About This
- 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.
Overview
- Brand : J-B Weld
- Specific Uses For Product : Repair, Flooring, Masonry, Countertop, Furniture, Wood, Wall Repair, Glass, Table Top Coating
- Material : Fiberglass
- Item Form : Soakable Solid
- Special Feature : Hards like steel, Temperature resistant up to 400°F, Water pressure resistant up to 100 PSI
Share

Explore Our Collections
-
Caulking Tool
Whether you're sealing a bathroom, fixing window gaps, or finishing tile edges, having...
-
Sealant Remover Tool
Old, peeling sealant is more than an eyesore — it's an open...
-
Gap Repair
Even the smallest gap around your home can let in moisture, drafts,...
-
WATERPROOF
Water damage is one of the most expensive problems a homeowner can...
-
BATHROOM & KITCHEN
The bathroom and kitchen are the two hardest-working rooms in your home...
-
Leather Repair
Scratches, cracks, peeling surfaces, and worn edges can make leather furniture, car...
Customer Review
-
Daniel Brooks
⭐⭐⭐⭐⭐
"Saved me from an expensive plumbing repair"
I discovered a small leak under my kitchen sink late at night.
This repair tape was incredibly easy to apply and stopped the leak immediately.
It held securely until I could arrange a permanent repair.
A must-have item for every homeowner. -
Sophia Mitchell
⭐️⭐️⭐️⭐️⭐️
"Quick fix that actually works"
I used this waterproof repair tape on an outdoor water pipe.
The application took only a few minutes and the seal has remained strong through several rainstorms.
It's durable, reliable, and much easier than I expected.
I'm very impressed with the results. -
Ryan Cooper
⭐️⭐️⭐️⭐️⭐️
"Perfect for emergency repairs"
A pipe in my garage started leaking unexpectedly.
This tape gave me a fast temporary solution without needing special tools.
The adhesion is strong and the material feels high quality.
Definitely worth keeping in a home repair kit. -
Emma Sullivan
⭐⭐⭐⭐⭐
"Every DIY homeowner should have this"
I purchased this for emergency household repairs and it exceeded my expectations.
It sealed a leaking connection quickly and helped prevent further water damage.
The instructions were simple and the product worked exactly as advertised.
I'll be ordering another roll just to keep on hand.
Blogs
View all-
Why Do Expensive Materials Still Look Cheap Whe...
Expensive materials do not always create an expensive-looking interior. The final impression often depends on how carefully those materials are joined, sealed, and finished. Uneven gaps, messy caulking, poor surface...
Why Do Expensive Materials Still Look Cheap Whe...
Expensive materials do not always create an expensive-looking interior. The final impression often depends on how carefully those materials are joined, sealed, and finished. Uneven gaps, messy caulking, poor surface...
-
Why Do Some Rooms Feel Calm While Others Feel V...
A calm room is not necessarily empty or minimalist. It feels peaceful when colors, textures, furniture, and visual details work together without competing for attention. Visual noise often comes from...
Why Do Some Rooms Feel Calm While Others Feel V...
A calm room is not necessarily empty or minimalist. It feels peaceful when colors, textures, furniture, and visual details work together without competing for attention. Visual noise often comes from...
-
Why Does Leather Change the Feel of a Home?
Leather can change the feel of a home through color, texture, visual weight, and tactile quality. A leather sofa, chair, ottoman, or desk chair can become a strong design element...
Why Does Leather Change the Feel of a Home?
Leather can change the feel of a home through color, texture, visual weight, and tactile quality. A leather sofa, chair, ottoman, or desk chair can become a strong design element...
-
Why Does Your Home Look More Expensive When You...
A home can look more expensive without expensive furniture or major renovations. Clean edges, smooth transitions, consistent lines, and well-maintained surfaces can create a more polished and refined impression. Small...
Why Does Your Home Look More Expensive When You...
A home can look more expensive without expensive furniture or major renovations. Clean edges, smooth transitions, consistent lines, and well-maintained surfaces can create a more polished and refined impression. Small...