---
product_id: 30927145
title: "32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz."
brand: "j-b weld"
price: "$71"
currency: NZD
in_stock: true
reviews_count: 13
category: "J B Weld"
url: https://www.desertcart.nz/products/30927145-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9
store_origin: NZ
region: New Zealand
---

# Waterproof, weather-resistant seal Up to 550ºF continuous heat resistance Professional-grade strong bonding 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.

**Brand:** j-b weld
**Price:** $71
**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?** $71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/30927145-32929-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

- • **Heatproof Hero:** Withstands extreme temps up to 550ºF continuous, 650ºF intermittent—no meltdown here.
- • **Moisture-Cured Magic:** Air moisture activates curing, creating a durable, crack-proof, sensor-safe seal.
- • **Versatility Unleashed:** Perfect for automotive, metal, exhaust, and even oven doors—one sealant to rule them all.
- • **DIY Confidence Booster:** Heavy-duty, easy-to-use formula that fixes it right the first time—join the pros’ club.
- • **Pro-Approved Performance:** Trusted by mechanics and builders for rock-solid adhesion on diverse surfaces.

## Overview

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant is a high-temp, moisture-cured silicone sealant designed for professional and DIY use. It withstands continuous temperatures up to 550ºF, bonds strongly to multiple surfaces, and forms a waterproof, weather-resistant seal that resists cracking and shrinking. Ideal for automotive and mechanical applications, it delivers reliable, sensor-safe performance trusted by experts.

## Description

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

Review: Parts - Good parts, fast shipping, excellent seller
Review: Zero leaks after 1,000 miles on my Nissan timing cover. - Worked great on my 2012 Nissan NV1500 timing cover.

## 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 |
|---------------|-------|
| ASIN | B01BWZ1W3A |
| Best Sellers Rank | #12,457 in Automotive ( See Top 100 in Automotive ) #21 in Gasket Sealers |
| Brand | J-B Weld |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,489) |
| Date First Available | February 18, 2016 |
| Global Trade Identification Number | 00043425329295 |
| Item Form | Liquid |
| Item Weight | 11.2 ounces |
| Item model number | 32929 |
| Liquid Volume | 10.3 Fluid Ounces |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 32929 |
| Material | Silicone |
| Model | 32929 |
| Number of Items | 1 |
| Product Dimensions | 9 x 6 x 4 inches |
| Surface Recommendation | Door |
| UPC | 043425329295 |
| Unit Count | 9.5 Ounce |
| Water Resistance Level | Waterproof |

## Product Details

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

## Images

![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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Parts
*by H***I on December 22, 2025*

Good parts, fast shipping, excellent seller

### ⭐⭐⭐⭐⭐ Zero leaks after 1,000 miles on my Nissan timing cover.
*by R***. on November 5, 2025*

Worked great on my 2012 Nissan NV1500 timing cover.

### ⭐⭐⭐⭐⭐ JB Weld products are great
*by L***X on November 27, 2025*

It’s a JB Weld product so I expect it to work great

## 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.nz/products/30927145-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9](https://www.desertcart.nz/products/30927145-32929-ultimate-black-rtv-silicone-gasket-maker-and-sealant-9)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-26*