--- product_id: 469740935 title: "ProSpec Refractory Mortar (1)" brand: "tenon" price: "€ 165.32" currency: EUR in_stock: true reviews_count: 5 category: "Tenon" url: https://www.desertcart.de/products/469740935-prospec-refractory-mortar-1 store_origin: DE region: Germany --- # 1 hour workable time Heat resistant to 2550°F ASTM C199 certified strength ProSpec Refractory Mortar (1) **Brand:** tenon **Price:** € 165.32 **Availability:** ✅ In Stock ## Summary > 🔥 Build with confidence—heatproof your space like a pro! ## Quick Answers - **What is this?** ProSpec Refractory Mortar (1) by tenon - **How much does it cost?** € 165.32 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/469740935-prospec-refractory-mortar-1) ## Best For - tenon enthusiasts ## Why This Product - Trusted tenon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long Working Window:** Provides a full hour of workable time before setting, giving you precision and control. - • **Extreme Heat Endurance:** Withstands temperatures up to 2,550°F for 6+ hours, perfect for fireplaces and pizza ovens. - • **Ready-to-Use Convenience:** Preblended formula—just add water and start your project instantly. - • **Durable & Water Resistant:** Once cured, it’s acid resistant and water insoluble, ensuring lasting strength and reliability. - • **Versatile Indoor & Outdoor Use:** Ideal for fire pits, chimneys, barbeques, and more—built to perform anywhere heat matters. ## Overview ProSpec Refractory Mortar is a premium, preblended thermal mortar engineered for high-temperature applications. Certified to ASTM C199 standards, it withstands extreme heat up to 2,550°F, offers a generous 1-hour working time, and cures into a durable, water-resistant, acid-proof bond ideal for fireplaces, chimneys, fire pits, and pizza ovens. ## Description ProSpec Refractory Mortar is a specially-engineered blend of specific cements and aggregates giving the mortar unique heat-resistance and thermal characteristics for use in high-temperature applications such as inside fire pit rings, setting chimney clay flue liners, parging a smoke chimney chamber, and setting fire bricks. Passes ASTM C 199 for mortar temperature limits to 2,550°F for a minimum of 6 hours. Review: Does exactly what it says on the tub Review: Nice Product at a Good price ! ## Features - Causes serious eye irritation. - READY TO USE: Preblended, just add water and go! - INDOOR OR OUTDOOR: Ideal for fireplaces, inside of fire pit rings, barbeques, pizza ovens, and chimney applications such as setting clay flue liners, parging a smoke chimney chamber - EFFICIENT WORKING TIME: Provides 1 hour of working time prior to hardening - HIGH STRENGTH: Once cured, becomes water insoluble and acid resistant - ASTM CERTIFIED: Passes ASTM C199 (required by most building codes for installation of firebrick and flues in chimneys, masonry fireplaces and similar applications) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07RC8D1WL | | Brand | Tenon | | Colour | White | | Compatible Material | Wood | | Customer Reviews | 4.4 out of 5 stars 145 Reviews | | Item Dimensions | 23.9 x 23.9 x 18 centimetres | | Item Form | Powder | | Item Weight | 4.54 kg | | Item dimensions L x W x H | 23.9 x 23.9 x 18 centimetres | | Item height | 7.1 inches | | Item weight | 4.54 kg | | Manufacturer | TCC Materials | | Material | Powder | | Style | Thermal | | Style Name | Thermal | | Supported Standards | ASTM C199 | | UPC | 037826209133 | | Unit Count | 4731.76 millilitre | | Water Resistance Level | Water Resistant | | Water resistance level | Water Resistant | ## Product Details - **Material:** Powder - **Brand:** Tenon - **Style:** Thermal - **Item weight:** 10 Pounds - **Item dimensions L x W x H:** 23.9 x 23.9 x 18 centimetres ## Images ![ProSpec Refractory Mortar (1) - Image 1](https://m.media-amazon.com/images/I/6164XP+nBXL.jpg) ![ProSpec Refractory Mortar (1) - Image 2](https://m.media-amazon.com/images/I/61JCRQxb1bL.jpg) ![ProSpec Refractory Mortar (1) - Image 3](https://m.media-amazon.com/images/I/61M2cnxSjZL.jpg) ![ProSpec Refractory Mortar (1) - Image 4](https://m.media-amazon.com/images/I/61g6+mmtSzL.jpg) ![ProSpec Refractory Mortar (1) - Image 5](https://m.media-amazon.com/images/I/61oOdnRofWL.jpg) ## Questions & Answers **Q: We have 4 rows of std 6 x3 bdick, to surround fire pit frame?How much product do I need** A: If you use standard mortar to hold/secure the brick and only need ~1-2” deep mortar joint I think you can get by with 1 tub **Q: Can I use it to tile the Woodburning fireplace heath?** A: No, ProSpec® Refractory Mortar is a specially-engineered blend of specific cements and aggregates giving the mortar unique heat-resistance and thermal characteristics for use in high-temperature applications such as inside fire pit rings, setting chimney clay flue liners, parging a smoke chimney chamber, and setting fire bricks. It is not to be used for tile setting mortar. **Q: This product is white? I need a white refractory mortar to parge a firebox.** A: This product is white. **Q: how many bricks can you lay with 10lb.** A: A 10 lb. pail of ProSpec Refractory Mortar will lay approximately 16-20 standard fire bricks at 1/8 in. (3 mm) joint thickness. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does exactly what it says on the tub *by K***K on 12 December 2022* ### ⭐⭐⭐⭐⭐ Nice Product at a Good price ! *by E***K on 11 July 2025* ### ⭐⭐⭐⭐⭐ Fireplace fire bricks require maintenance. *by R***. on 27 June 2025* ## Frequently Bought Together - Tenon Refractory Mortar - High Temperature Mix for Fireplaces, Fire Pits, Chimneys, Parging, Brick, Clay, and More, White in Color, High Heat Resistance, Up to 2550°F (1, 10 Pounds) - Rutland Fireplace Mortar Cartridge, 10.3-Ounce, Gray - 63G - Ripeng 30 Pcs Insulating Fire Brick 3200F Rated Wood Stove Fire Bricks for Fireplaces Blacksmith Forges Heat Oven Kilns Insulation Block for Metal Clay Firing, Jewelry Soldering (9 x 4.5 x 1.25 Inch) --- ## 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.de/products/469740935-prospec-refractory-mortar-1](https://www.desertcart.de/products/469740935-prospec-refractory-mortar-1) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-04-22*