---
product_id: 18312923
title: "ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon"
brand: "chimneyrx"
price: "189863CFA"
currency: XOF
in_stock: true
category: "Chimneyrx"
url: https://www.desertcart.sn/products/18312923-chimneyrx-300054-brushable-flashing-repair-sealant-black-elastomeric-waterproof-coating
store_origin: SN
region: Senegal
---

# Elastomeric waterproof barrier Bonds to shingles, bricks & more Brush-on easy application ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon

**Brand:** chimneyrx
**Price:** 189863CFA
**Availability:** ✅ In Stock

## Summary

> 💧 Seal leaks like a pro—flexible, fast, and fail-proof!

## Quick Answers

- **What is this?** ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon by chimneyrx
- **How much does it cost?** 189863CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/18312923-chimneyrx-300054-brushable-flashing-repair-sealant-black-elastomeric-waterproof-coating)

## Best For

- chimneyrx enthusiasts

## Why This Product

- Trusted chimneyrx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hassle-Free Cleanup:** Soap and water cleanup saves time and effort
- • **Quick-Dry Efficiency:** Dries in just 12 hours for fast, reliable repairs
- • **Multi-Surface Bonding Power:** Adheres permanently to asphalt, aluminum, brick & more
- • **Flexible, Crack-Resistant Seal:** Stays pliable to prevent leaks and cracks over time
- • **Effortless Brush-On Application:** No mixing needed—just brush on and go

## Overview

ChimneyRx 300054 is a black elastomeric waterproof sealant designed for durable, flexible leak protection around chimneys, vents, and skylights. It bonds permanently to multiple roofing materials including shingles, bricks, and aluminum flashing. This brushable formula dries in 12 hours, stays crack-resistant, and cleans up easily with soap and water, making it the go-to solution for professional-grade, long-lasting roof repairs.

## Description

desertcart.com: ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon : Industrial & Scientific

## Features

- ELASTOMERIC WATERPROOF SEALANT: Seals chimney flashing with a durable, flexible barrier; this chimney sealant prevents leaks around chimneys, stacks, vents, and skylights, providing protection against water and harsh weather
- STAYS FLEXIBLE, WON'T CRACK: Unlike tar-based sealants, this chimney repair sealer has an elastomeric formula that stays pliable over time, resisting brittleness and cracking that can cause leaks; it requires no mixing or special bonding agents
- BONDS TO MULTIPLE SURFACES: This waterproofing sealant adheres permanently to asphalt shingles, aluminum flashing, brick, and other roofing materials for a secure, long-lasting seal
- EASY APPLICATION & CLEANUP: Our chimney flashing sealant applies easily with a brush (not included), making repairs quick and simple; cleanup is hassle-free with just soap and water, saving you time and effort
- DRY TIME & COVERAGE: This waterproof coating sealant dries in 12 hours under dry weather conditions, with a temperature range of 45-90°F; each 1/2-gallon plastic container covers approximately 14 square feet

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0060NKMOU |
| Best Sellers Rank | #46,778 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #71 in Industrial Coatings |
| Brand Name | CHIMNEYRX |
| Color | Black |
| Compatible Material | Asphalt Shingles, Aluminum Flashing, Brick, Other Chimney and Roofing Materials, All |
| Customer Reviews | 4.5 4.5 out of 5 stars (294) |
| Item Dimensions | 12 x 12 x 12 inches |
| Item Form | Liquid |
| Manufacturer | SaverSystems |
| Material Type | Plastic |
| Model | BHBUKPPAZINH2401 |
| Number of Items | 1 |
| Part Number | 300054 |
| Surface Recommendation | Aluminum Flashing, Asphalt Shingles, Brick |
| UPC | 709057942645 709057941648 |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** CHIMNEYRX
- **Item Form:** Liquid
- **Item dimensions L x W x H:** 12 x 12 x 12 inches
- **Material:** Plastic
- **Water Resistance Level:** Water Resistant

## Images

![ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon - Image 1](https://m.media-amazon.com/images/I/81+13WKLBRL.jpg)
![ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon - Image 2](https://m.media-amazon.com/images/I/71dAEaX5VoL.jpg)
![ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon - Image 3](https://m.media-amazon.com/images/I/71z3FnIeHKL.jpg)
![ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon - Image 4](https://m.media-amazon.com/images/I/71IUh7QJYeL.jpg)
![ChimneyRx 300054 Brushable Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon - Image 5](https://m.media-amazon.com/images/I/71nOuZgw6eL.jpg)

## Frequently Bought Together

- ChimneyRx 300054 Brushable Chimney Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Chimneys, Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon
- ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon
- ChimneyRx 300119 Masonry Chimney Water Repellent - Siloxane Based, Non-Film-Forming, Breathable, and Transparent Waterproof Coating for Brick Chimneys & Other Vertical Surfaces - 1 Gallon

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-19*