--- product_id: 18312922 title: "ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon" brand: "chimneyrx" price: "R11196" currency: ZAR in_stock: true category: "Chimneyrx" url: https://www.desertcart.co.za/products/18312922-chimneyrx-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating store_origin: ZA region: South Africa --- # Elastomeric waterproof membrane Fast 2-4 hour cure time Brush-on, no primer needed ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon **Brand:** chimneyrx **Price:** R11196 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Seal the deal with ChimneyRx – your fast track to leak-proof, long-lasting chimney confidence! ## Quick Answers - **What is this?** ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon by chimneyrx - **How much does it cost?** R11196 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/18312922-chimneyrx-300014-brushable-chimney-crown-repair-elastomeric-and-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 - β€’ **Quick-Set Formula:** Cures in just 2-4 hours, so your chimney protection is fast and hassle-free. - β€’ **Long-Lasting & Safe:** Solvent-free, environmentally safe formula that resists cracking and chipping over time, maintaining your home’s integrity. - β€’ **Effortless Application:** Brush on two coats directlyβ€”no primer, mixing, or special tools required for a seamless finish. - β€’ **Durable Waterproof Shield:** Seals chimney crowns with a flexible, crack-resistant membrane to prevent leaks and deterioration. - β€’ **Versatile Masonry Protection:** Ideal for chimney crowns, corbels, parapets, and masonry sills, ensuring broad coverage where it matters most. ## Overview ChimneyRx 300014 is a 2-gallon elastomeric, waterproof coating designed for chimney crowns and masonry surfaces. It creates a flexible, durable seal that prevents cracks and leaks, curing quickly within 2-4 hours and covering approximately 40 sq ft per gallon. Easy to apply with a brush and requiring no primer, this solvent-free formula offers long-lasting protection against water damage and deterioration. ## Description Buy ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon: Paint, Wall Treatments & Supplies - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases ## 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 | B004XJYJBA | | Best Sellers Rank | #281,284 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,479 in Household Finishes, Sealers & Stains | | Brand Name | CHIMNEYRX | | Compatible Material | Concrete" Or "Masonry | | Customer Reviews | 4.8 4.8 out of 5 stars (1,237) | | Item Dimensions | 10 x 10 x 10 inches | | Item Form | Paste | | Manufacturer | SaverSystems | | Material Type | Resin | | Model | CECOMINOD084386 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 300015 | | Style Name | Compact | | Surface Recommendation | Wall | | UPC | 709057920025 | | Unit Count | 1 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** CHIMNEYRX - **Item dimensions L x W x H:** 10 x 10 x 10 inches - **Material:** Resin - **Style:** Compact - **Water Resistance Level:** Waterproof ## Images ![ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon - Image 1](https://m.media-amazon.com/images/I/61fMEGk2dRL.jpg) ![ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon - Image 2](https://m.media-amazon.com/images/I/41GSXUMqRVL.jpg) ![ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon - Image 3](https://m.media-amazon.com/images/I/41a0CDHRzIL.jpg) ![ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon - Image 4](https://m.media-amazon.com/images/I/41Qun76RqTL.jpg) ![ChimneyRx 300014 Brushable Chimney Crown Repair – Elastomeric & Waterproof Coating for Crowns & Masonry - Fast-Setting & Long-Lasting Protection Crack & Leak Prevention - 2 Gallon - Image 5](https://m.media-amazon.com/images/I/41NIm0lkn8L.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 - 2 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 - 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/18312922-chimneyrx-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating](https://www.desertcart.co.za/products/18312922-chimneyrx-300014-brushable-chimney-crown-repair-elastomeric-and-waterproof-coating) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-14*