---
product_id: 31953789
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: "848.55 DT"
currency: TND
in_stock: true
category: "Chimneyrx"
url: https://www.desertcart.tn/products/31953789-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating-crowns
store_origin: TN
region: Tunisia
---

# Elastomeric waterproof membrane Covers 40 sq ft per gallon Fast 2-4 hour cure time 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon

**Brand:** chimneyrx
**Price:** 848.55 DT
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal the deal on leaks before they start—protect your chimney like a pro!

## 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?** 848.55 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/31953789-300014-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

- • **Trusted & Proven:** Highly rated with 4.8 stars from over 1,200 users, securing your investment with long-lasting durability.
- • **Fast-Setting Formula:** Dries in just 2-4 hours, so your home’s defense is back in action before you know it.
- • **Effortless Application:** Brush on two coats—no primer or mixing needed—making professional-grade protection accessible to every DIYer.
- • **Versatile Masonry Savior:** Perfect for chimney crowns, corbels, parapets, and masonry sills, blending seamlessly with tinted mortar dyes.
- • **Ultimate Waterproof Shield:** Creates a flexible, crack-resistant barrier that defends your chimney crown from water damage and leaks.

## Overview

ChimneyRx 300014 is a 1-gallon elastomeric, waterproof coating designed for chimney crowns and masonry surfaces. It forms a flexible, durable membrane that prevents cracks and leaks, cures quickly within 2-4 hours, and covers approximately 40 square feet per gallon. Easy to apply with no primer needed, it’s a top-rated solution trusted by thousands for long-lasting chimney protection.

## Description

ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon - desertcart.com

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00UZLZLE4 |
| Best Sellers Rank | #12,144 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Industrial Coatings |
| Brand | CHIMNEYRX |
| Brand Name | CHIMNEYRX |
| Color | Light Gray |
| Compatible Material | Masonry Materials (Brick, Concrete, Stone) |
| Customer Reviews | 4.8 out of 5 stars 1,239 Reviews |
| Item Dimensions | 8 x 8 x 8 inches |
| Item Form | Liquid |
| Item Weight | 10.2 pounds |
| Item dimensions L x W x H | 8 x 8 x 8 inches |
| Manufacturer | SaverSystems |
| Model | 300014 |
| Number of Packs | 1 |
| Part Number | 300014 |
| Style | Compact |
| Style Name | Compact |
| Surface Recommendation | Chimney Crown |
| UPC | 072348971113 709057920018 |
| Unit Count | 128 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** CHIMNEYRX
- **Item Weight:** 10.2 pounds
- **Item dimensions L x W x H:** 8 x 8 x 8 inches
- **Style:** Compact
- **Water Resistance Level:** Waterproof

## 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/614zeR1lb6L.jpg)

## Available Options

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

## Frequently Bought Together

- ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 1 Gallon
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- 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

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-09*