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💪 Seal it like a pro—underwater or not, leaks don’t stand a chance!
JB Weld WaterWeld is a high-strength epoxy putty that cures underwater in just 25 minutes, delivering a 1300 PSI bond on a wide range of materials including metals and plastics. Resistant to water, oils, fuels, and chemicals, it’s ideal for plumbing, marine, and emergency repairs, offering a reliable, easy-to-use solution made proudly in the USA.








| ASIN | B000BRQ0TW |
| Best Sellers Rank | 5,509 in DIY & Tools ( See Top 100 in DIY & Tools ) 11 in Waterproofers |
| Brand | J-B Weld |
| Colour | cream |
| Compatible Material | Fibreglass, Metal, Plastic |
| Container Type | Syringe |
| Customer Reviews | 3.9 3.9 out of 5 stars (12,751) |
| EU Spare Part Availability Duration | 1 Years |
| Full Cure Time | 60 Minutes |
| Global Trade Identification Number | 00043425082770 |
| Included Components | J-B Weld Waterweld Putty 57g (2oz) |
| Item Form | Putty |
| Item Package Quantity | 1 |
| Item Type Name | J-B Weld Waterweld Putty 57g (2oz) |
| Item Volume | 59.14 Millilitres |
| Item Weight | 0.07 Kilograms |
| Manufacturer | JBWeld |
| Material | WaterWeld Epoxy Putty Stick |
| Model Number | 8277 |
| Other Special Features of the Product | Cures under water |
| Specific Uses For Product | Casting, Countertop, Flooring, Glass, Masonry, Repair, Table Top Coating, Underwater Repair, Wall Repair |
| Tensile Strength | 1300 Pounds Per Square Inch |
| UPC | 043425082770 |
| Unit Count | 57.0 gram |
| Viscosity | High |
| Water Resistance Level | Water Resistant |
A**W
From the original JB Weld company
Have picked this item before as I've used the original JB Weld and with good results. I am a returning buyer and this item being very good in comparing market. It has very good bond strength and sets hard after a few hours. Tip! use gloves and have a small amount of water to wet when mixing.
I**H
Just the job for small repairs to water butts or tanks.
Fixed a small leak in my plastic water butt by applying this putty like adhesive following the supplied instructions. Water butts are surprisingly expensive to buy so finding this repair kit has been a sound purchase.
L**E
Works well.
Good bond to my waterbut. Needed to seal the input drain pipe that was leaking. Fixed it with this. No leaks, does need a bit of working to get it right and takes a good while to cure. But decent product overall.
J**L
Not great
Not great - did not stop the small leak and could pick the epoxy off once dried
T**E
Wonderful Waterweld
Bought this to repair a cracked external 90 degree drain pipe. Easy to use...just cut of the amount required & mould together on you fingers. I recommend wearing some protective plastic / rubber / silicone gloves as this suff stick to you like a limpet... Easy to mould and apply but be quick...once mixed you can actually feel it starting to set as you use it. Full Setting time is dependent on temperature but mine went hard within 15 minutes at 15C. Once set, it is never goes 100% solid like some other epoxy products so keeps a bit of flexibility (95%) and doesn't go brittle. I've also found it useful for filling oversized holes in various materials and re-drilling for screws and rawplugs. Highly recommend this product if you have a water pipe needing some long term or temporary repair and more...it works...
F**Y
Small repairs only.
Not impressed with this product. It is not difficult to use but I would only recommend for very small, dry leaking points. Applying to larger leaking/wet areas does not work well in my experience, even though it says it sets under water.
A**T
Works brilliant on metals
Excellent sealant
I**S
Get some - really works well
Bought this in a last ditch effort to fix a leaking soil pipe. Leak was caused due to a split in the pipe where someone one had bodge fitted a junction from the shower waste pipe into it. The nuclear option i.e removal of the soil pipe would have caused significant disturbance to the bathroom. I packed this around the broken junction which was quite inaccessible. This stuff is super sticky when mixed and you have to accept that your hands will be covered in it by the end of your job (clean off with isopropyl alcohol). Takes about an hour to go fully off…. But it worked and it stopped the leak. Dries rock hard. I made sure to rough up the area first with sandpaper and clean it with isopropyl alcohol. Very happy with the results. Would use again
T**I
Good
S**P
Exactly what I needed. My kitchen sink has a little C-clamp piece that holds the pull-down faucet hose, and it kept slipping off — once it fell straight into the garbage disposal while the disposal was running 😳. Of course the sink model is discontinued, so replacing the part wasn’t happening. This WaterWeld putty was the perfect solution because it’s moldable (like Play-Doh), gap-filling, and made for wet environments. I dried the area, wiped it down to remove grime and oils, then cut off a small piece and kneaded it until the color was uniform (took about a minute). You don’t get a ton of working time, but it was easy to press into place and shape. Pro tip: use gloves, and rough up the area firsst. It started firming up quickly and cured fast enough that I felt comfortable using the faucet again later the same day. It’s now holding the clamp solidly and I’m no longer living in fear of the “garbage disposal snack attack.” Only downside: the working time is short, so have everything ready before you start. Otherwise, this did exactly what it promised and saved me from replacing a whole fixture. ⭐️⭐️⭐️⭐️⭐️
H**�
Ich habe den J-B WaterWeld Epoxyd-Kitt für meine Pool-Filteranlage benutzt, weil am Deckel ein Riss war und ständig Wasser austrat. Obwohl die Anleitung nicht auf Deutsch ist, war die Anwendung absolut selbsterklärend: Stück abschneiden, kneten, auftragen – fertig. Meine Erfahrung: Sehr einfache Anwendung, man braucht kein Vorwissen. Nach dem Aushärten absolut dicht – 100 % erfüllt, was ich mir erhofft habe. Ideal für Notfälle im Pool- oder Sanitärbereich. Wichtig zu wissen: Das Ergebnis sieht nicht unbedingt schön aus, eher wie ein grober Flicken. Wer Wert auf Optik legt, sollte das bedenken. Handschuhe sind Pflicht – das Material klebt stark und ist schwer von den Händen zu bekommen. Fazit: Der Kitt macht genau das, was er soll: abdichten. Für mich hat er ein teures Ersatzteil gespart. Klare Empfehlung für alle, die schnell und zuverlässig etwas reparieren wollen.
O**A
Muy bien adhesivo para pegar tazas y cosas así excelente
R**T
Just what I needed
Trustpilot
1 week ago
3 weeks ago