--- product_id: 275007381 title: "USL Insulating Fire Bricks 2500F Pack of 6 Firebricks for Internal Lining Heating Units Insulating Warming Layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge" brand: "girtech" price: "€ 297.37" currency: EUR in_stock: true category: "Gi Rtech" url: https://www.desertcart.be/products/275007381-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks-internal store_origin: BE region: Belgium --- # 2500°F max operating temp 6-pack for versatile lining Eco-friendly fireclay & chamotte USL Insulating Fire Bricks 2500F Pack of 6 Firebricks for Internal Lining Heating Units Insulating Warming Layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge **Brand:** girtech **Price:** € 297.37 **Availability:** ✅ In Stock ## Summary > 🔥 Insulate like a pro—turn up the heat without burning your style! ## Quick Answers - **What is this?** USL Insulating Fire Bricks 2500F Pack of 6 Firebricks for Internal Lining Heating Units Insulating Warming Layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge by girtech - **How much does it cost?** € 297.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/275007381-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks-internal) ## Best For - girtech enthusiasts ## Why This Product - Trusted girtech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Use Marvel:** Perfect for fireplaces, steel furnaces, kilns, and blacksmith forges—your all-in-one heat shield. - • **Heatproof Mastery:** Withstands scorching temps up to 2500°F for ultimate durability. - • **Eco-Safe Composition:** Crafted from natural, non-toxic fireclay and chamotte for safe, sustainable warmth. - • **Ready-to-Install Pack:** Comes in a secure 6-piece branded box for hassle-free storage and transport. - • **Custom Fit Flexibility:** Easily cut and shape bricks to tailor your heating unit’s perfect lining. ## Overview GIRtech USL Insulating Fire Bricks deliver professional-grade heat resistance up to 2500°F, ideal for lining and insulating a wide range of heating units including fireplaces, steel furnaces, and kilns. Made from eco-friendly fireclay and chamotte, these 6-pack bricks combine safety, durability, and customizable fit, ensuring your heating setup stays efficient and long-lasting. ## Description GIRtech USL – is a special intermediate duty thin firebrick which are used for lining heating units with a maximum operating temperature of up to 2500 ° F, as an insulating or warming layer. Firebrick can be used in any type of domestic heating units, such as brick fireplaces, steel furnaces, heating stoves, barbecues and barbecue complexes, ceramics kilns and blacksmith forge. It can be used lining and insulation of furnaces. It is made from eco-friendly natural components and safe for human health This product is not intended for use in industrial units where contact between the refractory lining and molten metals is possible. Refractory masonry must be done on a fireclay/alumina mortar, for example GIRtech Ready Mix or GIRtech Dry Mix. Before performing work, it is necessary to moisten the contact surface with some water. It is not recommended to use cement mixes as a masonry mortar. GIRtech USL could be cuted or processed with a special tool if necessary Firebricks are packed in branded cardboard boxes of 6 pieces ## Features - Versatile Performance: Our GIRtech USL Firebricks are specially designed for lining heating units with a maximum operating temperature of up to 2500 °F and service temperature 2370 °F. They can be used as an insulating or warming layer, making them suitable for various applications. - Wide Range of Uses: Whether you have a brick fireplace, steel furnace, heating stove, barbecue, ceramics kiln, or blacksmith forge, our firebricks are ideal for lining and insulation. They offer excellent heat retention and durability for long-lasting performance. - Premium Quality Materials: We prioritize your safety and the environment. Our firebricks are made of Fireclay and Chamotte - eco-friendly natural components, ensuring they are non-toxic and safe for human health. - Recommended Mortar: To ensure optimal results, use our GIRtech Ready Mix or GIRtech Dry Mix fireclay/alumina mortar for refractory masonry. Prior to installation, moisten the contact surface with water. Avoid using cement mixes as a masonry mortar. - Easy Customization: Our firebricks can be cut or processed with a special tool to meet your specific requirements. Enjoy the flexibility of shaping them to fit your heating unit perfectly. - Convenient Packaging: Each set of GIRtech USL Firebricks comes in a branded cardboard box, containing 6 pieces. The packaging ensures secure transportation and easy storage. - Safety First: Rest assured that our firebricks are non-toxic and safe for human health, allowing you to enjoy your heating units worry-free. - Dimensions: 1.25"D x 9"W x 4.5"H ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08PB9TX6G | | Brand Name | GIRtech | | Customer Reviews | 4.3 4.3 out of 5 stars (126) | | Flavor | unflavored | | Item Form | solid, brick | | Item Type Name | Intermediate Thin Fire Brick | | Item Weight | 5.49 Kilograms | | Manufacturer | ABC Manufactured Goods Inc | | Material Type | Metal Alloy Steel | | Unit Count | 6 Count | ## Product Details - **Brand:** GIRtech - **Flavour:** unflavored - **Item form:** solid, brick - **Item weight:** 5.49 Kilograms - **Material:** Metal Alloy Steel ## Images ![USL Insulating Fire Bricks 2500F Pack of 6 Firebricks for Internal Lining Heating Units Insulating Warming Layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge - Image 1](https://m.media-amazon.com/images/I/816LUEW46xL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What are the dimensions of the brick?** A: One brick is - 9" W x 4.5" H x 1.25 thick **Q: Will these work for the floor of an outdoor pizza oven?** A: No. Great insulator. But not great for floor from my experience. I’d get a pizza stone **Q: What is the brick thicknes?** A: The bricks are about 1 inch thick. ## Frequently Bought Together - GIRtech USL Intermediate Fire Brick 2500F Pack of 6 Fire Bricks for Internal Lining Heating Units Insulating Warming layer for Fireplace, Steel Furnace, Wood Stove, Ceramic Oven Kiln, Blacksmith Forge - Rutland Fireplace Mortar Cartridge, 10.3-Ounce, Gray - 63G - Rutland Dry Mix Refractory Mortar, Masonry & Fire Brick Cement, No Heat Cure Required, Dark Gray, 2550F, 2.5 lb Tub --- ## 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.be/products/275007381-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks-internal](https://www.desertcart.be/products/275007381-usl-insulating-fire-bricks-2500f-pack-of-6-firebricks-internal) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-03*