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💪 Seal it. Fix it. Forget it. The ultimate underwater epoxy for pros and weekend warriors alike.
J-B Weld WaterWeld is a hand-mixable two-part epoxy putty stick that cures fully in 1 hour, even underwater. With a lap shear strength of 1300 PSI and resistance to heat up to 350°F and harsh chemicals, it’s NSF certified safe for potable water and ideal for plumbing, pool, and marine repairs. Easy to apply and durable, it delivers professional-grade fixes for both serious projects and quick DIY emergencies.

| ASIN | B0B5VGVG9F |
| Best Sellers Rank | #5,230 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #21 in Epoxy Adhesives |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | Off-White |
| Colour | Off-White |
| Compatible Material | Metal |
| Container Type | Pail |
| Customer Reviews | 4.4 out of 5 stars 1,577 Reviews |
| Full Cure Time | 6E+1 Minutes |
| Global Trade Identification Number | 00043425990488 |
| Item Form | Stick |
| Item Package Quantity | 1 |
| Item Type Name | Epoxy Adhesive |
| Item form | Stick |
| Manufacturer | J-B Weld |
| Material | Epoxy Resin |
| Material Type | Epoxy Resin |
| Model | 8277-2 |
| Number of Pieces | 2 |
| Other Special Features of the Product | Chemical Resistant Against Petroleum, Hyraulic Fluids and others when fully cured, Cure Color White, Cures Under Water, Once Cured, can be Tapped Drilled, Painted and Sanded, Sets & Cures Underwater - Apply to dry surface first, Strong |
| Part Number | 8277-2 |
| Special features | Chemical Resistant Against Petroleum, Hyraulic Fluids and others when fully cured, Cure Color White, Cures Under Water, Once Cured, can be Tapped Drilled, Painted and Sanded, Sets & Cures Underwater - Apply to dry surface first, Strong Special features Chemical Resistant Against Petroleum, Hyraulic Fluids and others when fully cured, Cure Color White, Cures Under Water, Once Cured, can be Tapped Drilled, Painted and Sanded, Sets & Cures Underwater - Apply to dry surface first, Strong See more |
| Specific Uses For Product | Repair |
| Specific uses for product | Repair |
| Tensile Strength | 1300 Pounds Per Square Inch |
| UPC | 043425990488 |
| Unit Count | 113.4 Grams |
| Volume | 118.29 Milliliters |
| Water Resistance Level | Waterproof |
J**T
Stopped pvc leak
I used J-B weld on my pvc joint that was dripping water from my pool heater and it stopped the leak Would definitely recommend
S**E
So easy to use!
This was so easy to use and worked really well! I am not even close to being a plumber, but this sealed my leak up. Used on old copper pipe in my basement. Drying/curing time was fast and the leak stopped almost immediately. There was enough to seal around my pipe with some left over. Not sure it would be enough to do 2 full fixes but a good amount.
D**.
Amazing stuff
Amazing performance underwater. I've not found anything comparable
C**L
It worked really nice.
They have worked really nice, I am surprised! I used lots of other technics I was about to give up but this worked. It was easy to apply totally surprised me to hold until that pressure.
A**R
This product IS WATERPROOF!
This product works and is waterproof!!! I made a large fountain out of a ceramic pot and tried two other “waterproof” products that did NOT work. A friend told me to try this and it worked perfectly!!!! LOVE this product! It was easy to use and it is definitely waterproof. If you are building a fountain, I HIGHLY RECOMMEND this product!!!!
Trustpilot
1 month ago
3 weeks ago