---
product_id: 253302976
title: "J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz."
brand: "j-b weld"
price: "€ 50.22"
currency: EUR
in_stock: true
category: "J B Weld"
url: https://www.desertcart.hr/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker
store_origin: HR
region: Croatia
---

# Cures moisture-activated for waterproof sealing Withstands up to 550ºF continuous heat Professional-grade adhesion on multiple surfaces J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.

**Brand:** j-b weld
**Price:** € 50.22
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with the ultimate black gasket maker—because your projects deserve the pro touch.

## Quick Answers

- **What is this?** J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. by j-b weld
- **How much does it cost?** € 50.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/253302976-j-b-weld-32929-ultimate-black-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

- • **DIY Confidence Booster:** Heavy-duty strength that empowers you to repair and restore like a pro, right the first time.
- • **Heat-Resistant Powerhouse:** Handles extreme temps up to 550ºF continuous, 650ºF intermittent—built for the heat you face daily.
- • **Versatility Meets Durability:** Perfect for automotive, metal, exhaust, and more—one tube to fix it all, from oil pans to oven doors.
- • **Trusted by Pros, Ready for You:** Used by mechanics and builders who demand a bond that won’t quit, ensuring your project stands out.
- • **Effortless Application, Lasting Seal:** Moisture-cured formula creates a tough, crack-resistant, waterproof gasket every time—no shrinkage, no stress.

## Overview

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant is a high-temp, moisture-curing silicone designed for professional-grade sealing and gasketing. It withstands continuous temperatures up to 550ºF and intermittent spikes to 650ºF, bonds strongly to diverse surfaces, and resists cracking, shrinking, and weathering. Ideal for automotive and mechanical repairs, it delivers a waterproof, durable seal trusted by experts and DIYers alike.

## Description

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. : desertcart.ae: Tools & Home Improvement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BWZ1W3A |
| Best Sellers Rank | #21,501 in Automotive ( See Top 100 in Automotive ) #108 in Automotive Fillers, Adhesives & Sealants |
| Brand | J-B Weld |
| Customer Reviews | 4.3 4.3 out of 5 stars (277) |
| Date First Available | 10 June 2016 |
| Item Weight | 318 g |
| Item model number | 32929 |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 32929 |
| Model | 32929 |
| Product Dimensions | 22.86 x 15.24 x 10.16 cm; 317.51 g |

## Product Details

- **Brand:** J-B Weld
- **Colour:** Black
- **Full cure time:** 6E+1 Minutes
- **Item weight:** 0.7 Pounds
- **Liquid volume:** 10.3 Fluid Ounces

## Images

![J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. - Image 1](https://m.media-amazon.com/images/I/611tUt89wZL.jpg)

## Questions & Answers

**Q: how do you keep the tube from drying?**
A: Make sure the top is well covered.......Keep it in the fridge...

**Q: Is this paintable**
A: No RTV silicone will accept pint since they are 100% silicone

**Q: Installing new valve covers & gaskets (ultra-seal)1981 camaro 305 ci, which of your products i should purchase is (1) tube enough?**
A: I have done many SBC in 40+ years. If using cork gaskets glue them in place with weatherstrip adhesive. If using rubber gaskets, nothing at all. If making gaskets with RTV silicone use Black RTV silicone. Red rtv is for high heat exhaust work.

**Q: Will this product seal a gap between a metal machine and welding fabric?**
A: Probably

## Frequently Bought Together

- J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.
- Newborn 930-GTD Drip-Free Smooth Hex Rod Cradle Caulking Gun with Gator Trigger Comfort Grip, 1/10 Gallon Cartridge, 10:1 Thrust Ratio

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**Shop now:** [https://www.desertcart.hr/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker](https://www.desertcart.hr/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-24*