---
product_id: 17058346
title: "J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz."
brand: "j-b weld"
price: "€ 19.56"
currency: EUR
in_stock: true
reviews_count: 13
category: "J B Weld"
url: https://www.desertcart.com.cy/products/17058346-j-b-weld-31314-high-temperature-rtv-silicone-gasket-maker
store_origin: CY
region: Cyprus
---

# Withstands up to 550ºF continuous heat Distinctive red color for easy application RTV silicone forms tough, waterproof seals J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.

**Brand:** j-b weld
**Price:** € 19.56
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the deal with the ultimate heat-proof bond! 🔧

## Quick Answers

- **What is this?** J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz. by j-b weld
- **How much does it cost?** € 19.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/17058346-j-b-weld-31314-high-temperature-rtv-silicone-gasket-maker)

## 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

- • **Trusted Legacy Bond:** 40+ years of industry-leading strength and reliability—join the community of craftsmen who refuse to settle.
- • **Effortless DIY Mastery:** Air moisture cures into a flexible, crack-proof seal—perfect for pros and weekend warriors alike.
- • **Heat-Resistant Powerhouse:** Handles extreme temps up to 550ºF continuous, 650ºF intermittent—no meltdown here.
- • **Waterproof & Weatherproof:** Keeps your projects sealed tight against moisture and weathering—no leaks, no worries.
- • **Versatile Mechanical Marvel:** Ideal for automotive, metal, exhaust, and more—one sealant to rule them all.

## Overview

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker is a professional-grade red silicone sealant designed to withstand continuous temperatures up to 550ºF and intermittent spikes to 650ºF. It cures with air moisture to form a durable, waterproof, and weather-resistant gasket ideal for automotive and mechanical applications. Trusted for over 40 years, this 3 oz. gel formula offers a reliable, flexible seal that resists shrinking and cracking, making it the go-to choice for DIYers and pros seeking the world's strongest bond.

## Description

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.

Review: This really works well. - So this was a longshot. I have a hair dryer with a diffuser. Every time I use it the diffuser goes flying off. It's hot where it clips on. So I tried a bead of this glue and the diffuser is now permanently glued to the hair dryer and will not come off. It was the PERFECT glue for this application. It would be good for anywhere you need glue that gets hot -- like a stove gasket. Great product.
Review: Glue - Amazing job!

## Features

- HI TEMP RED SILICONE GASKET MAKER & SEALANT: Is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist
- COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects
- EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe
- VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ID8IUJY |
| Best Sellers Rank | #4,582 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Silicone Adhesives |
| Brand Name | J-B Weld |
| Color | Red |
| Compatible Material | Metal |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,795) |
| Global Trade Identification Number | 00043425313140 |
| Included Components | JBWeld 31314 |
| Item Dimensions | 1.97 x 1.57 x 6.3 inches |
| Item Form | Gel |
| Item Type Name | SEALANT |
| Item Weight | 90 Grams |
| Manufacturer | JBWeld |
| Material Type | Silicone |
| Model | 31314 |
| Number of Items | 1 |
| Part Number | 31314 |
| Style Name | Compact |
| Surface Recommendation | Door |
| UPC | 043425313140 043425700193 |
| Unit Count | 3.0 Ounce |
| Warranty Description | Manufacturer Warranty |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** J-B Weld
- **Item Weight:** 90 Grams
- **Item dimensions L x W x H:** 1.97 x 1.57 x 6.3 inches
- **Material:** Silicone
- **Style:** Compact

## Images

![J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz. - Image 1](https://m.media-amazon.com/images/I/71m-6gPy-6L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: My portable convection oven (heats to 500 degrees) glass door fell out of the metal bracket. Would this work to glue it back in?**
A: Be careful of sealant giving off toxic fumes the first few times you use it.  Try heating up the oven 2-3 times before actually placing food inside that could absorb the toxic off-gasses.

**Q: Would this be a good product for sealing a crack in a dishwasher liner?**
A: Yes- I did this, along with filling in a gap on the dishwasher door gasket (which was ultimately replaced).  
Worked great!  
Be sure to clean the surface and rough it up a little (a bit of sandpaper, then clean the sandpaper dust off before application of the RTV).  
Used it a few years ago- is still sealed; all is well.

**Q: Can I use it to glue shower mirror to tile in my shower**
A: I wouldn't use it for that purpose myself.  I qouls suggest an industrial caulking-type adhesive such as Loctite or Tough As Nails.

**Q: Can you remove it if needed?**
A: Believe the instructions are on the back side of the package.   You can use acetone or paint thinner to remove.Its great stuff. Works well.

## Customer Reviews

### ⭐⭐⭐⭐⭐ This really works well.
*by J***K on January 30, 2026*

So this was a longshot. I have a hair dryer with a diffuser. Every time I use it the diffuser goes flying off. It's hot where it clips on. So I tried a bead of this glue and the diffuser is now permanently glued to the hair dryer and will not come off. It was the PERFECT glue for this application. It would be good for anywhere you need glue that gets hot -- like a stove gasket. Great product.

### ⭐⭐⭐⭐⭐ Glue
*by M***E on March 18, 2026*

Amazing job!

### ⭐⭐⭐⭐⭐ Lasted over a year & counting. Great quality!
*by A***S on October 5, 2025*

Quality is great! I used on a waterpump install on a Nissan Xterra and no leaks or issues after a year! Product is still usable and hasn't went bad in tube.

## Frequently Bought Together

- J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
- 1/4" ID Silicon Tubing, JoyTube Food Grade Silicon Tubing 1/4" ID x 3/8" OD 10 Feet High Temp Pure Silicone Hose Tube for Home Brewing Winemaking
- ANPTGHT 1/4” Thru-Bulk Bulkhead Plastic Hose Barb Fittings Union Adapter Fittings for Aquarium Fuel Gas Liquid Air with Metal washers (Pack of 6)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/17058346-j-b-weld-31314-high-temperature-rtv-silicone-gasket-maker](https://www.desertcart.com.cy/products/17058346-j-b-weld-31314-high-temperature-rtv-silicone-gasket-maker)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-01*