---
product_id: 20826463
title: "J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue"
brand: "j-b weld"
price: "€ 8.66"
currency: EUR
in_stock: true
reviews_count: 13
category: "J B Weld"
url: https://www.desertcart.ie/products/20826463-j-b-weld-31316-rtv-silicone-gasket-maker-and-sealant
store_origin: IE
region: Ireland
---

# Waterproof & weather-resistant seal Withstands extreme temps up to 3000°C Strong bond to uneven surfaces J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue

**Brand:** j-b weld
**Price:** € 8.66
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal it like a pro, bond it for life!

## Quick Answers

- **What is this?** J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue by j-b weld
- **How much does it cost?** € 8.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/20826463-j-b-weld-31316-rtv-silicone-gasket-maker-and-sealant)

## 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

- • **Compact & Ready:** 3 oz tube perfect for quick fixes without bulk waste
- • **Pro-Grade Durability:** Trusted by builders & mechanics for tough, lasting seals
- • **Precision Application:** Smooth, controlled flow for mess-free DIY projects
- • **Versatile Bonding Power:** Seals & bonds everything from automotive parts to household fixtures
- • **Weatherproof Confidence:** Resists cracking, shrinking, and harsh environmental wear

## Overview

J-B Weld 31316 RTV Silicone Gasket Maker & Sealant is a professional-grade, waterproof silicone adhesive designed for sealing and bonding uneven surfaces. It cures at room temperature to form a durable, weather-resistant seal that resists cracking and shrinking. Ideal for automotive, household, and industrial applications, this 3 oz blue tube delivers precision application and long-lasting performance trusted by experts.

## Description

J-B Weld Silicone Sealant & Adhesive is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for sealing and bonding uneven surfaces. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is great for many automotive accessories and household applications.

Review: Dependable Sealant and Adhesive: A Review of J-B Weld 31319 Black RTV Silicone Sealant - I recently had the opportunity to use the J-B Weld 31319 Black RTV Silicone Sealant and Adhesive, and I must say, I am thoroughly impressed with its performance and versatility. As someone who frequently tackles DIY projects and repairs around the house, finding a reliable sealant and adhesive is essential, and this product certainly delivers. One of the standout features of the J-B Weld 31319 is its exceptional durability. Once applied, it forms a strong and resilient bond that withstands a wide range of environmental conditions, including temperature fluctuations, moisture, and vibration. Whether I'm sealing gaps in plumbing fixtures or bonding materials together, I can trust that this silicone sealant will hold up over time. Another aspect of this product that I appreciate is its ease of use. The nozzle allows for precise application, minimizing waste and mess during the sealing process. The consistency of the sealant is ideal—not too runny, yet smooth enough to spread evenly and fill in cracks and gaps effectively. Cleanup is also a breeze, as the excess sealant can be easily wiped away with a cloth or sponge. The black color of the sealant is a nice touch, especially for applications where aesthetics are important. It blends seamlessly with dark surfaces, providing a clean and professional finish that enhances the overall appearance of the project. Furthermore, the versatility of this product makes it a valuable addition to any toolkit. Whether I'm sealing leaks in automotive components, repairing household appliances, or even crafting custom projects, the J-B Weld 31319 proves to be a reliable solution time and time again. In conclusion, I can wholeheartedly recommend the J-B Weld 31319 Black RTV Silicone Sealant and Adhesive to anyone in need of a dependable sealant and adhesive for a variety of applications. Its durability, ease of use, and versatility make it a standout product in its category, and I will certainly continue to rely on it for all my sealing and bonding needs in the future.
Review: Good quality silicone - Works well, it's good quality silicone so should last not a gigantic container so keep it in mind if you have a large area to apply. Also if you try to squeeze the tube to strongly you'll pop the tube seams. Super water resistant and good consistency.

## Features

- RTV SILICONE SEALANT & ADHESIVE: Is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for sealing and bonding uneven surfaces
- WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
- EASY TO USE: Upon curing, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is great for many automotive accessories and household uses
- VERSATILE & DEPENDABLE: Ideal for bonding, sealing, weather stripping, moldings, interior trim, windows, windshields, door frames, lens housings and more
- DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond
- Flash point: 3000.00 degrees_celsius

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LIRG8VY |
| Best Sellers Rank | #49,932 in Automotive ( See Top 100 in Automotive ) #54 in Gasket Sealers #1,746 in Oils & Fluids |
| Brand | J-B Weld |
| Color | Blue |
| Customer Reviews | 4.5 4.5 out of 5 stars (6,782) |
| Date First Available | July 24, 2014 |
| Global Trade Identification Number | 00043425313164 |
| Is Discontinued By Manufacturer | No |
| Item Form | Oz |
| Item Weight | 3.17 ounces |
| Item dimensions L x W x H | 1.97 x 1.57 x 6.3 inches |
| Item model number | 31316 |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 31316 |
| Material | Blend |
| Model | 31316 |
| Number of Items | 1 |
| Product Dimensions | 1.97 x 1.57 x 6.3 inches |
| Special Features | Strong,Waterproof |
| Style | Classic |
| Surface Recommendation | Tile, Sink, Tub, Gutter |
| UPC | 043425313164 043425700209 |
| Unit Count | 3.0 Ounce |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** J-B Weld
- **Item Weight:** 0.09 Kilograms
- **Item dimensions L x W x H:** 1.97 x 1.57 x 6.3 inches
- **Material:** Blend
- **Style:** Classic

## Images

![J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue - Image 1](https://m.media-amazon.com/images/I/81mYGbFpgjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Dependable Sealant and Adhesive: A Review of J-B Weld 31319 Black RTV Silicone Sealant
*by N***N on February 29, 2024*

I recently had the opportunity to use the J-B Weld 31319 Black RTV Silicone Sealant and Adhesive, and I must say, I am thoroughly impressed with its performance and versatility. As someone who frequently tackles DIY projects and repairs around the house, finding a reliable sealant and adhesive is essential, and this product certainly delivers. One of the standout features of the J-B Weld 31319 is its exceptional durability. Once applied, it forms a strong and resilient bond that withstands a wide range of environmental conditions, including temperature fluctuations, moisture, and vibration. Whether I'm sealing gaps in plumbing fixtures or bonding materials together, I can trust that this silicone sealant will hold up over time. Another aspect of this product that I appreciate is its ease of use. The nozzle allows for precise application, minimizing waste and mess during the sealing process. The consistency of the sealant is ideal—not too runny, yet smooth enough to spread evenly and fill in cracks and gaps effectively. Cleanup is also a breeze, as the excess sealant can be easily wiped away with a cloth or sponge. The black color of the sealant is a nice touch, especially for applications where aesthetics are important. It blends seamlessly with dark surfaces, providing a clean and professional finish that enhances the overall appearance of the project. Furthermore, the versatility of this product makes it a valuable addition to any toolkit. Whether I'm sealing leaks in automotive components, repairing household appliances, or even crafting custom projects, the J-B Weld 31319 proves to be a reliable solution time and time again. In conclusion, I can wholeheartedly recommend the J-B Weld 31319 Black RTV Silicone Sealant and Adhesive to anyone in need of a dependable sealant and adhesive for a variety of applications. Its durability, ease of use, and versatility make it a standout product in its category, and I will certainly continue to rely on it for all my sealing and bonding needs in the future.

### ⭐⭐⭐⭐⭐ Good quality silicone
*by E***L on November 2, 2025*

Works well, it's good quality silicone so should last not a gigantic container so keep it in mind if you have a large area to apply. Also if you try to squeeze the tube to strongly you'll pop the tube seams. Super water resistant and good consistency.

### ⭐⭐⭐⭐⭐ Great on windshield rubber strips!
*by B***E on December 27, 2025*

Works great! Used it for the black rubber strip at the bottom of my windshield. Easy to use. Can be a little messy so make sure to have a few paper towels handy..but worked just fine!

## Frequently Bought Together

- J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue
- Permatex 85080 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 9.5 oz
- Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-17*