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🔥 Seal the heat, save the vibe — don’t let cracks steal your cozy moments!
Rutland Fireplace Mortar (Grey, 10.3 fl oz) is a pre-mixed, heat-resistant mortar designed to repair minor cracks and chips in indoor fireplaces. Once cured by heat, it forms a durable, firebrick-strong bond that can be painted for a clean finish. Covering up to 99 feet, it’s the trusted choice for maintaining fireplace integrity and safety season after season.



| Asin | B000H5T0KO |
| Best Sellers Rank | 436,640 in DIY & Tools (See Top 100 in DIY & Tools) 203 in Chimneys |
| Brand | RUTLAND PRODUCTS |
| Colour | Grey |
| Compatible Material | Stone |
| Container Type | Cartridge |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,933) 4.5 out of 5 stars |
| Full Cure Time | 7 Days |
| Global Trade Identification Number | 00022624007630 |
| Included Components | 10.3-Ounce, Gray - 63G |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | FIREPLACE MORTAR (Gray), 10.3 fl oz Cartridge |
| Item Volume | 10.3 Fluid Ounces |
| Item Weight | 544 g |
| Manufacturer | Rutland Products |
| Manufacturer Part Number | 63G |
| Material | Pre-Mixed Cement |
| Model Number | 63G |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Strong |
| Specific Uses For Product | Fireplace Repair, Masonry Repair |
| Unit Count | 1.0 count |
| Upc | 022624007630 |
| Viscosity Level | Medium |
| Water Resistance Level | Not Water Resistant |
User
Bueno para tapar ranuras en el calentador
El calentador, al prender salían flamazos de entre las piedras cuando se ponía en temperatura media o baja. Este calentador en particular tenía una especie de cemento blanco entre las piedras, este cemento se fue rompiendo poco a poco y se caía en pedazos. Este producto esta diseñado para soportar temperaturas altas de fisuras en chimeneas. Seguí las instrucciones para ponerlo ... mojar el área donde se va a aplicar, dejar secar 24 hrs y curarlo al prender el calentador. Funcionó perfecto ya el calentador funciona sin problemas. Se ve un poco feo porque es de color gris y no encontré color blanco, pero con lo que costó no me compro un calentador nuevo. Sobró bastante producto, fue en realidad muy poco el que utilicé. Cuando se cura el color gris obscuro se va poniendo mas claro.
User
Effective and Reliable for Fireplace Repairs
The Rutland Fireplace Mortar Cartridge has proven to be an excellent solution for repairing my fireplace. The mortar is easy to apply, adhering well to the existing masonry and creating a strong, durable bond. It fills gaps and cracks effectively, ensuring that the repairs look seamless and hold up to high heat.One of the things I really like about this product is its consistency. The mortar flows smoothly from the cartridge, making it easy to control and apply precisely where needed. The gray color blends well with most fireplace bricks, providing a professional and clean finish. The only minor downside is that it takes a bit of time to cure fully, so you need to plan accordingly to ensure it sets properly before exposing it to high temperatures. However, the wait is worth it for the reliable and long-lasting results it provides.I think that the Rutland fireplace mortar is a top-notch product for anyone needing to perform fireplace repairs. Its ease of use, strong adhesion, and ability to withstand high heat make it a dependable choice.
User
Do not last long
Not better than the black one
User
An excellent product for fireplace / firebox brick repairs
Follow the on-product instructions for curing requirements and this mortar works a treat. Dries as hard as a rock!I was able to join broken firebox ceramics with ease and now have a fully functioning slow combustion fireplace.Highly recommended for this type of repair.
User
Price on point
Best price. Works perfect to freshen up the Woodstock.
Trustpilot
2 weeks ago
2 weeks ago