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💥 Fix it fast, fix it strong—because leaks don’t wait!
The FiberWeld Pipe Repair Cast is a high-strength, water-activated fiberglass wrap that hardens like steel in 15 minutes, delivering a permanent, corrosion-resistant bond with 1800 PSI bend strength. Compatible with a wide range of pipe materials, it offers a quick, durable, and paintable solution for professional-grade pipe repairs.














| ASIN | B08B3HBQF9 |
| Adhesive Format | wrap |
| Adhesive Location | Pipes |
| Adhesive Material | Fiberglass |
| Adhesive Side Count | 1 |
| Best Sellers Rank | #11,296 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #66 in Hardware Sealers |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | White |
| Compatible Material | Rubber |
| Customer Reviews | 4.4 out of 5 stars 1,728 Reviews |
| Global Trade Identification Number | 00043425382481 |
| Included Components | Roll of Repair Tape |
| Item Resistance | water_resistant |
| Item Thickness | 0.25 centimeters |
| Item Type Name | Pipe Repair Tape |
| Manufacturer | JB Weld |
| Material | Fiberglass, Resin |
| Material Type | Fiberglass, Resin |
| Model | 38248 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Hardens Like Steel in 15 Minutes |
| Package Size Name | 2x48 Inch |
| Part Number | 38248 |
| Recommended Uses For Product | pipe repair |
| Size Name | 2" x 48" |
| Special Feature | Hardens Like Steel in 15 Minutes |
| Surface Recommendation | Metal |
| Tensile Strength | 1800 psi |
| UPC | 043425382481 |
| Unit Count | 1 Count |
| Warranty Description | Call vendor for warranty |
| Water Resistance Level | Water Resistant |
S**S
Terrific product
Fabulous. Did the job on a rubber suction hose after I put my post hole digger through it. I was a bit skeptical that it would do the job but within an hour, my pond was up and running again like nothing had ever happened. I thought I might be looking at a very expensive and messy repair, but I was able to take care of it in less than an hour for $15. I wish there had been a bit more putty, but it did the job.
A**Y
It'll do the job.
I had multiple pinhole leaks in an outdoor spigot, and they were right next to an attachment of a larger pipe (Not the source, the connection is good). This stuff set up very quickly and the leaks are stopped. It looks like a very solid product. I was unable to remove the black outer wrap, but I don't care. It's no longer leaking and it's been days.
C**E
Great repair product
Awesome! Versatile and easy to apply. Great value, very water resistant, no odor, quantity is enough for other projects. Was used to repair the elbow pipe under powder room sink that cracked completely through. Hubby very happy.
S**G
Strong seal, but may not work for large pipes.
Bought this for repairing broken pipes and sealing leaks. What I like • The cast is easy to apply and molds well to the pipe, providing a strong seal. • Quick-drying and durable, ensuring long-lasting repairs. • Works on various pipe materials, making it versatile for different plumbing issues. What could be better • The application can be a bit messy if not used carefully. • It might not be suitable for very large or high-pressure pipes. • The instructions could be clearer for first-time users. Bottom line: A practical and effective solution for pipe repairs, but may not work for all types of pipes. Perfect for DIY repairs and temporary fixes, but consider professional solutions for high-pressure or larger pipes.
L**M
It does work! But, you have to do it right
You must pay attention to the videos that demonstrate the application... However, they are all poorly done.. often leaving out important parts (It's all in the details) .. The 2-part epoxy must be thoroughly kneaded .. the next step is to add water to the rolled up tape in the sealed bag... it's sealed because it contains quite a bit of slimy yellowish goop (quite runny) which permeates the roll of tape. you agg the water for only a few seconds just to trigger the goo to harden. You have plenty if time to wrap the tape around the pipe/leak as shown.. but because of the slimy goo, the tape can slip... it takes some talent to hold the ta[pe in place as you wrap always smoothing out the wrinkles and bubbles... the tape can easily loosen, unless you are careful at tightening each wrap .. THE TAPE IS NOT STICKY yet... that's why you have to unwind the small black flexible tape (same used for bandages, but black) this tape is sticky, and stretches.. it will secure and compress the yellowish gooey tape that you first wrapped over the epoxy and pipe. Interestingly, that black tape is supposed to be removed after 5 minutes... WHY? nothing is said about that. perhaps, it's because it will help the goo solidify, now that's it's been exposed to water and air? I left it on because I wasn't convinced that the goo had hardened, and didn't want to disturb the the tape it was holding... DUH! There are many variables here... temperature will effect the cure time. Letting the black compression tape stay attached, is like keeping a wood clamp attached.... you just don't want to remove it 'till the goop is hard. Obviously, if you try and remove after the goop is hard.. you might harm the seal.. The product is fine, the instructions are very poor, a lot can go wrong when you don't get important details ... oh, the videos are helpful, but like most YouTube videos, limited
R**Y
This stuff works!
At first it appeared that it didn't stop the leak. Twenty-four hours later...no water leaking from the pipe. It's a bit messy, so you may want to have an extra pair of gloves available, but it's worth the mess.
A**R
Not worth the price or trouble.
I do not recommend this stuff. IT sticks to everything but the pipe. It is wildly toxic. Worst part is that it becomes this sticky slimy wet situation and in the end, we threw the entire thing in the garbage and it did not fix the leak.
S**E
J-B Weld FiberWeld 2
When using this adhesive if your pipe is not in an open and free area this item can be very difficult and messy to use. The pipe I wanted to repair was too close to the wall and I could not rap the adhesive around the pipe and the mess it created was terrible. The cleanup took most of the time and nothing was accomplished. The product will work but in an open space free from walls and other obstacle.
C**H
Great value product that works!
This is a great product. It fixed an outdoor burst pipe and saved me a visit from the plumber.
J**.
Excelente.
Excelente.
M**G
OK
bien reçu
M**R
Great stuff!
A little messy to use however it does come with a pair of gloves! This kit was very easy to use! The one comment I would say is that the application is very linear and doesnt have much stretch or flex. For example, if you are using it to temporarily patch and seal a 1 3/4" to a 2" pipe then you will have to use a twist in the fabric to snug up the smaller diameter size (as opposed to say one of those elastic medical bandages flex) Once installed however and left to cure, rock hard and does the job.
J**.
Expired already
Expired more than 1 years ago, can’t use .
Trustpilot
2 weeks ago
2 weeks ago