---
product_id: 18312923
title: "300054 Brushable Chimney Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Chimneys, Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon"
brand: "chimneyrx"
price: "€ 117.48"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/18312923-300054-brushable-chimney-flashing-repair-sealant-black-elastomeric-waterproof-coating
store_origin: IT
region: Italy
---

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

**Brand:** chimneyrx
**Price:** € 117.48
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal the deal with confidence—protect your home, protect your peace of mind!

## Quick Answers

- **What is this?** 300054 Brushable Chimney Flashing Repair Sealant – Black Elastomeric Waterproof Coating Leak Protection for Chimneys, Vents & Skylights - Bonds to Shingles, Bricks, & More - 1/2 Gallon by chimneyrx
- **How much does it cost?** € 117.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/18312923-300054-brushable-chimney-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

- • **Coverage That Counts:** Half-gallon covers 14 sq ft—big protection in a compact size.
- • **Quick-Dry Efficiency:** Dries in just 12 hours for fast, hassle-free repairs.
- • **Multi-Surface Mastery:** Permanently bonds to asphalt, aluminum, brick & more.
- • **Flexible, Leak-Proof Shield:** Elastomeric formula stays pliable—no cracks, no leaks.
- • **Effortless Brush-On Application:** No mixing, no mess—just brush on and go.

## Overview

The 300054 Brushable Chimney Flashing Repair Sealant is a black elastomeric waterproof coating designed to prevent leaks around chimneys, vents, and skylights. It bonds securely to multiple surfaces including asphalt shingles, aluminum flashing, and brick, staying flexible over time to resist cracking. Easy to apply with a brush and quick to dry within 12 hours, this 1/2-gallon sealant covers approximately 14 square feet, offering durable, weather-resistant protection for your roofing needs.

## Description

Full description not available

## 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 |
|---------------|-------|
| Material | Plastic |
| Brand | CHIMNEYRX |
| Item dimensions L x W x H | 12 x 12 x 12 inches |
| Water Resistance Level | Water Resistant |
| Item Form | Liquid |
| UPC | 709057942645 709057941648 |
| Number of Items | 1 |
| Color | Black |
| Surface Recommendation | Aluminum Flashing, Asphalt Shingles, Brick |
| Manufacturer | SaverSystems |
| Part Number | 300054 |
| Item Weight | 5.15 pounds |
| Product Dimensions | 12 x 12 x 12 inches |
| Item model number | BHBUKPPAZINH2401 |
| Is Discontinued By Manufacturer | No |
| Size | 1/2 Gallon |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

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

## Images

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

---

## 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.it/products/18312923-300054-brushable-chimney-flashing-repair-sealant-black-elastomeric-waterproof-coating](https://www.desertcart.it/products/18312923-300054-brushable-chimney-flashing-repair-sealant-black-elastomeric-waterproof-coating)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-27*