---
product_id: 297909166
title: "32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz."
brand: "j-b weld"
price: "R591"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/297909166-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9
store_origin: ZA
region: South Africa
---

# Waterproof, weather-resistant seal Withstands up to 550ºF continuous heat Professional-grade, multi-surface bonding 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.

**Brand:** j-b weld
**Price:** R591
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal like a pro, last like a legend!

## Quick Answers

- **What is this?** 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. by j-b weld
- **How much does it cost?** R591 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/297909166-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9)

## 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:** Heavy-duty strength that empowers you to fix it right the first time
- • **Trusted by Pros:** Preferred by mechanics and builders for reliable, long-lasting repairs
- • **Heat-Defying Sealant:** Endures extreme temperatures up to 550ºF without cracking or shrinking
- • **Versatile Performance:** Perfect for automotive, metal, and household sealing needs
- • **Effortless Application:** Air moisture cures quickly to form a tough, waterproof gasket

## Overview

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant is a professional-grade, high-temperature resistant silicone sealant designed for mechanical assemblies. It cures with air moisture to create a durable, waterproof, and weatherproof gasket that withstands continuous heat up to 550ºF. Trusted by builders and mechanics, this versatile sealant bonds strongly to multiple surfaces, making it ideal for automotive and household repairs. Packaged in a 9.5 oz tube, it offers a reliable DIY solution for long-lasting repairs.

## Description

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.

## Features

- HI TEMP SILICONE GASKET MAKER & SEALANT: Is an RTV Silicone gasketing material, designed for use in mechanical assemblies where continuous temperatures up to 550º F or 650º F intermittent exist
- 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: 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 |
|---------------|-------|
| Colour | Black |
| Brand | J-B Weld |
| Item Weight | 0.7 Pounds |
| Liquid Volume | 10.3 Fluid Ounces |
| Item Form | Liquid |
| Surface Recommendation | Door |
| Water Resistance Level | Waterproof |
| Number of Items | 1 |
| Manufacturer | JBWeld |
| UPC | 043425329295 |
| Global Trade Identification Number | 00043425329295 |
| Net Quantity | 9.5 Grams |
| Material | Silicone |
| Country of Origin | USA |
| Model number | 32929 |
| Item Weight | 318 g |
| Product Dimensions | 22.86 x 15.24 x 10.16 cm; 317.51 g |
| Item model number | 32929 |
| Item Height | 4 Inches |
| Item Width | 6 Inches |
| Power Source | Hand_powered |
| Included Components | Tube of RTV |
| Are batteries included? | No |

## Product Details

- **Colour:** Black
- **Brand:** J-B Weld
- **Item Weight:** 0.7 Pounds
- **Liquid Volume:** 10.3 Fluid Ounces
- **Item Form:** Liquid

## Images

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

## Available Options

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

## 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.co.za/products/297909166-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9](https://www.desertcart.co.za/products/297909166-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-11*