---
product_id: 85562165
title: "J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld"
brand: "j-b weld"
price: "S$44"
currency: SGD
in_stock: true
reviews_count: 5
category: "J B Weld"
url: https://www.desertcart.sg/products/85562165-j-b-weld-8277-waterweld-underwater-epoxy-putty-2-oz
store_origin: SG
region: Singapore
---

# Cures underwater Withstands 300°F Sets in 25 mins J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld

**Brand:** j-b weld
**Price:** S$44
**Availability:** ✅ In Stock

## Summary

> 💪 Seal it, fix it, forget it — the ultimate underwater epoxy putty!

## Quick Answers

- **What is this?** J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld by j-b weld
- **How much does it cost?** S$44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/85562165-j-b-weld-8277-waterweld-underwater-epoxy-putty-2-oz)

## Best For

- j-b weld enthusiasts

## Why This Product

- Trusted j-b weld brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid set & cure:** Ready to handle repairs in just 1 hour—fast fixes for busy pros.
- • **Heavy-duty strength:** 1300 PSI lap shear strength for industrial-grade durability.
- • **Underwater curing power:** Seals leaks and cracks even submerged, no drying wait.
- • **Chemical & heat resistant:** Stands up to petroleum, hydraulic fluids, and temps up to 300°F.
- • **Multi-surface versatility:** Bonds iron, steel, copper, aluminum, fiberglass, plastic & PVC.

## Overview

J-B Weld 8277 WaterWeld is a NSF-certified, hand-mixable two-part epoxy putty that cures underwater in 1 hour. With 1300 PSI strength and resistance to chemicals and temperatures up to 300°F, it reliably repairs plumbing, fuel tanks, pools, boats, and potable water systems. Its versatility across metals, plastics, and fiberglass makes it a must-have for professional-grade, fast, and durable repairs.

## Description

WaterWeld™ will plug or seal leaks and patch holes and cracks in almost anything. Ideal for repairing plumbing, fuel tanks, tub and shower, drains, pool and spa, boats and potable water tanks; setup occurs even under water. After curing, it can be drilled, tapped, filed, sanded and painted. WaterWeld™ has a set time of 15-25 minutes and sets hard in one hour. WaterWeld™ cures to an off-white color, is rated at a strength of 4370 PSI and will withstand temperatures up to 250ºF.

Review: Very Useful and Safe - Used it to fill a crack in my RO unit. It's really safe for potable water tanks and does a great job
Review: Great epoxy putty - Fantastic product

## Features

- J-B WELD WATERWELD: A hand mixable two part epoxy putty stick, that can cure under water and is ideal for repairing plumbing, fuel tanks, tubs and showers, drains, pool and spa, boats & potable water tanks and more! J-B Weld WaterWeld is certified by the NSF and is safe for contact with potable water.
- CURE AND SET TIME: After kneading the two part formula together by hand, WaterWeld takes 25 minutes to set and cures in 1 hour. J-B Weld WaterWeld set and cure color is off white.
- PRODUCT FEATURES AND STRENGTH: J-B Weld WaterWeld has lap shear strength of 1300 PSI, can withstand continuous temperatures up to 300F (149C) and intermittent temperatures of 350F (176 degrees Celsius) and is chemical resistant against petroleum, hydraulic fluids and other chemicals when fully cured.
- SURFACE APPLICATIONS: Iron & Stainless Steel, Copper & Brass, Aluminum & Bronze, Fiberglass and Plastic & PVC.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BRQ0TW |
| Are batteries included? | No |
| Best Sellers Rank | #77,412 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #458 in Epoxy Adhesives |
| Brand | J-B Weld |
| Colour | White,Bronze |
| Country of Origin | USA |
| Customer Reviews | 4.2 4.2 out of 5 stars (12,527) |
| Date First Available | 24 August 2012 |
| Full Cure Time | 60 Minutes |
| Generic Name | J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld |
| Global Trade Identification Number | 00043425082770 |
| Importer | RedAngus Business Services, 7th & 8th Floor, Times Square Building, W.E Highway, Andheri (E) , Mumbai 400 069, info@redangus.in |
| Included Components | 1 Pack |
| Item Dimensions LxWxH | 25 x 102 x 178 Millimeters |
| Item Form | Putty |
| Item Height | 7 Inches |
| Item Package Quantity | 1 |
| Item Volume | 59.14 Millilitres |
| Item Weight | 70 g |
| Item Width | 4 Inches |
| Item model number | 8277 |
| Manufacturer | J B Weld, J-B WELD CO LLC, P.O Box 483,Sulphur Springs,TX 75483, +1 903 885-7696, j-bweld@redangus.in |
| Material | epoxy |
| Model number | 8277 |
| Net Quantity | 1 Count |
| Number of Memory Sticks | 1 |
| Number of Pieces | 1 |
| Package Information | Can |
| Packer | J-B WELD CO LLC, P.O Box 483,Sulphur Springs,TX 75483, +1 903 885-7696, j-bweld@redangus.in |
| Product Dimensions | 2.54 x 10.16 x 17.78 cm; 70 g |
| Special Feature | heavy duty |
| Specific Uses For Product | plumbing |
| Tensile Strength | 1300 Pounds Per Square Inch |
| UPC | 043425082770 |
| Viscosity | medium_to_high |
| Viscosity Level | Medium to High |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** J-B Weld
- **Item Form:** Putty
- **Material:** epoxy
- **Special Feature:** heavy duty
- **Specific Uses For Product:** plumbing

## Images

![J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld - Image 1](https://m.media-amazon.com/images/I/71DWFNbzcLL.jpg)
![J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld - Image 2](https://m.media-amazon.com/images/I/710u6uMh9aL.jpg)
![J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld - Image 3](https://m.media-amazon.com/images/I/71CWjLXxV8L.jpg)
![J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld - Image 4](https://m.media-amazon.com/images/I/81zC-thqIUL.jpg)
![J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz by J-B Weld - Image 5](https://m.media-amazon.com/images/I/81QumHOykpL.jpg)

## Questions & Answers

**Q: Can it hold on to a crack in the side of a frp vessel which is used to contain pressurized water of 30-40 psi?**
A: WaterWeld will plug or seal leaks and patvh holes and cracks in almost anything. It's strength is 900 PSI. So you can easily fill crack in the side of a frp vessel.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very Useful and Safe
*by K***M on 16 January 2025*

Used it to fill a crack in my RO unit. It's really safe for potable water tanks and does a great job

### ⭐⭐⭐⭐⭐ Great epoxy putty
*by R***H on 12 January 2025*

Fantastic product

### ⭐⭐⭐⭐⭐ Works well even in damp conditions
*by J***W on 12 August 2024*

Used it to seal a persistent leak along the edge of tiling abutting a lift well wall that was getting damp. It worked well .

## Frequently Bought Together

- J-B Weld 8277 WaterWeld Epoxy Putty Stick - 2 oz., Off White
- J-B Weld FiberWeld 2” Pipe Repair Cast 2x60 Inch - High Strength Adhesive Fiberglass Wrap - White (38260)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-07*