---
product_id: 158666996
title: "300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon"
brand: "chimneyrx"
price: "$240.74"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/158666996-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating-crowns
store_origin: US
region: United States of America
---

# Elastomeric waterproof membrane Fast 2-4 hour cure time Brush-on, no mixing needed 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon

**Brand:** chimneyrx
**Price:** $240.74
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with fast, flexible, and flawless chimney protection!

## Quick Answers

- **What is this?** 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon by chimneyrx
- **How much does it cost?** $240.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/158666996-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating-crowns)

## 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

- • **Eco-Friendly & Safe:** Solvent-free formula that protects your home and the environment simultaneously
- • **Quick-Dry Efficiency:** Cures in just 2-4 hours to get your repair job done fast and hassle-free
- • **Effortless Application:** Brush on two coats—no primer or mixing required for a seamless finish
- • **Flexible Waterproof Shield:** Seals chimney crowns with a durable, crack-resistant elastomeric coating
- • **Versatile Masonry Protection:** Ideal for crowns, corbels, parapets, and sills with customizable tint options

## Overview

This 1-gallon elastomeric chimney crown repair coating creates a flexible, waterproof membrane that prevents leaks and cracks. It cures quickly within 2-4 hours, covers up to 40 sq ft, and applies easily with a brush—no primer or mixing needed. Perfect for various masonry surfaces, it offers long-lasting protection with an eco-friendly, solvent-free formula.

## Description

Chimney Rx Brushable Chimney Crown Repair is a fast setting elastomeric coating that forms a flexible waterproof membrane. It is specifically formulated to repair and protect chimney crowns from water intrusion and is easy to apply with a paint brush. Chimney Rx Brushable Chimney Crown Repair is durable and requires no mixing or special bonding agents. The compounds in this product are solvent free and will not harm the environment.

## Features

- ELASTOMERIC WATERPROOF SEALANT: Creates a durable, flexible waterproof membrane that seals and protects chimney crowns from water intrusion; this chimney sealant prevents leaks, cracking, and deterioration, ensuring long-lasting protection
- FLEXIBLE CHIMNEY REPAIR SEALER: Perfect for sealing small cracks and surface flaws in chimney crowns; this long-lasting, flexible sealer won’t crack or chip over time and requires no mixing or special bonding agents; not for gaps or cracks over ¼”
- VERSATILE & EASY TO APPLY: Ideal for chimney crowns, corbels, parapets, and masonry sills; no primer needed, just brush on two coats of this waterproofing sealant for a strong, weatherproof barrier; can be tinted with mortar dye for a seamless look
- SURFACE PREPARATION: Ensure the surface is clean and dry; use a stiff poly or wire brush to remove loose particles; protect the roof with drop cloths to prevent spills; this chimney crown sealer is solvent-free and safe for the surroundings
- DRY TIME & COVERAGE: This waterproof coating sealant cures in 2-4 hours, depending on temperature and humidity; it covers about 40 square feet per gallon

## Images

![300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/71CdFlroPpL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-23*