{"title":"Boilers \u0026 Furnaces","description":"\u003ch4\u003eProducts: refractory castables, plastic masses, firebricks, refractory cements \u0026amp; adhesives, insulating lightweight bricks.\u003c\/h4\u003e\n\u003cp\u003eFor boilers, heating systems, and industrial furnaces, durability and insulation matter most. \u003cbr\u003eThis collection offers heavy-duty refractory castables, reliable bricks, and lightweight insulating materials that reduce heat loss and increase efficiency. \u003cbr\u003eOur products are engineered to withstand high temperatures and tough operating conditions, helping extend the lifetime of your equipment.\u003c\/p\u003e","products":[{"product_id":"rcast-62sp-low-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-62SP Low Cement Refractory Concrete 33 lb","description":"\u003cp\u003eRCAST-62SP Low Cement Refractory Concrete is engineered for superior performance in high-temperature environments. This 33 lb dry mix is formulated to withstand operating temperatures up to 1630°C (2970°F), offering outstanding thermal resistance, slag protection, and mechanical strength. Ideal for lining kilns, furnaces, fireplaces, and other thermal units, this eco-friendly refractory mix requires no additional additives—simply add water and apply. Whether you’re repairing, constructing, or upgrading thermal equipment, RCAST-62SP delivers exceptional durability and ease of use.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284262223990,"sku":"B0DX4HWKZ4","price":66.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-62sp-low-cement-refractory-concrete-33-lb-B0DX4HWKZ4-1_1fbdbff1-8f61-4796-823c-95cd0c5e7bcc.png?v=1778765512"},{"product_id":"rcast-45-medium-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete 33 lb","description":"\u003cp\u003eRCAST-45 Medium Cement Refractory Concrete is designed for high-performance thermal environments where there is no direct contact with molten metal. Withstanding temperatures up to 1400°C (2550°F), this 33 lb dry mix offers superior abrasion resistance and mechanical strength. Perfect for kilns, furnaces, ovens, and other high-temperature applications, RCAST-45 ensures reliable thermal insulation and structural integrity. Pre-mixed dry mixture with no additional additives required - just mix with water and apply for long-lasting results.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284191608950,"sku":"B0DX3MBN7R","price":55.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-45-medium-cement-refractory-concrete-33-lb-B0DX3MBN7R-1_1f9f4e6a-cf1d-4399-90e7-71e04f452673.jpg?v=1778765691"},{"product_id":"rb-40-fireclay-refractory-bricks-box-of-6","title":"RB-40 Firebricks - Box of 6","description":"\u003cp\u003eRB-40 fireclay refractory bricks are dense, durable firebricks for building and repairing high-temperature masonry. They are used in fireplaces, wood stoves, pizza ovens, fire pits, kilns, furnaces, and other heat-exposed brickwork.\u003c\/p\u003e\n\n\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n  \u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n  \u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eQuick specs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial type:\u003c\/strong\u003e fireclay refractory brick\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e box of 6 bricks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrick size:\u003c\/strong\u003e 9 in x 4.5 in x 1.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature rating:\u003c\/strong\u003e up to 3000°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e refractory masonry, oven and fireplace repair, firebox lining, kiln and furnace work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose RB-40 when you need a solid fireclay brick for direct heat areas.\u003c\/li\u003e\n  \u003cli\u003eUse MORTACLAY-40d or another suitable refractory mortar when setting the bricks.\u003c\/li\u003e\n  \u003cli\u003eMeasure your layout before ordering. Coverage depends on brick orientation, joints, and cuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eFirebricks are heavy and shipping cost can vary by destination. Use the cart shipping preview before checkout. For larger quantities or orders over 700 lb, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many bricks are in one box?\u003c\/strong\u003e\u003cbr\u003eOne box includes 6 RB-40 fireclay refractory bricks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these be used inside a fireplace or oven?\u003c\/strong\u003e\u003cbr\u003eYes, they are made for high-temperature refractory masonry applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich mortar should I use?\u003c\/strong\u003e\u003cbr\u003eFor firebrick installation, MORTACLAY-40d is the main dry mortar option in this store.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284118044790,"sku":"B0DXYG8RFV","price":41.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/IMG_3065.png?v=1756994972"},{"product_id":"rcast-45g-medium-cement-refractory-gunning-concrete-33-lb","title":"RTH-USA RCAST-45G Medium Cement Refractory Gunning Concrete 33 lb","description":"\u003cp\u003eRCAST-45G Medium Cement Refractory Gunning Concrete is engineered for high-performance thermal applications where efficiency and durability are critical. Formulated to operate at temperatures up to 1450°C (2640°F), this 33 lb dry mix provides superior low rebound properties, maximizing installation efficiency and reducing waste. Ideal for lining kilns, furnaces, boilers, and other thermal units, RCAST-45G offers strong adhesive bonding, excellent abrasion resistance, and reliable performance under extreme thermal stress. Suitable for use with both manual and mechanical gunning equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping note:\u003c\/strong\u003e This is a heavy refractory material, and shipping cost can vary by destination. For larger quantities or if shipping looks high at checkout, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284220510326,"sku":"B0DW4F2R3C","price":57.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-45g-medium-cement-refractory-gunning-concrete-33-lb-B0DW4F2R3C-1_c44fa442-b70c-4738-985b-42e652124ecb.png?v=1778766001"},{"product_id":"proteplast-60-plastic-refractory-mass-11-lb-74-fl-oz","title":"RTH-USA PROTEPLAST-60 Plastic Refractory Mass 11 lb (74 fl. oz.)","description":"\u003cp\u003e\u003cstrong\u003ePROTEPLAST-60 Plastic Refractory Mass\u003c\/strong\u003e is a high-alumina, chemically bonded and ready-to-use repair material engineered for advanced thermal maintenance.\u003c\/p\u003e\n\u003cp\u003eWhat sets it apart is its plastic, moldable consistency. This mass is easy to apply by hand or tool, allowing it to conform precisely into cracks, seams, or surface voids in firebrick linings and refractory installations.\u003c\/p\u003e\n\u003cp\u003eCapable of withstanding temperatures up to \u003cstrong\u003e3000°F (1650°C)\u003c\/strong\u003e, \u003cstrong\u003ePROTEPLAST-60 \u003c\/strong\u003eis ideal for repairing erosion, thermal damage, and seam separation in industrial heat-processing equipment.\u003c\/p\u003e\n\u003cp\u003eEach \u003cstrong\u003e8 lb (74 fl. oz.) pail\u003c\/strong\u003e provides excellent handling, adhesion, and thermal endurance — trusted by DIY enthusiasts and professionals for its unmatched ease of use and durability in extreme conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eMaximum Refractoriness:\u003c\/strong\u003e Withstands temperatures up to 3000°F (1650°C), perfect for high-intensity thermal environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eHigh-Alumina Composition:\u003c\/strong\u003e Ensures superior thermal shock resistance, mechanical strength, and long-lasting durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eMoldable Plastic Consistency:\u003c\/strong\u003e Unlike traditional cement or mortar, this is a plastic refractory mass — highly formable, pliable, and ideal for packing, patching, or reshaping damaged refractory surfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003ePrecision Repair Capability: \u003c\/strong\u003ePerfect for restoring damaged areas in firebrick linings, patching cracks and joints in refractory cement or brick structures, and rebuilding eroded insulation layers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eChemically Bonded:\u003c\/strong\u003e Offers enhanced adhesion and service life under repeated thermal cycling.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for local repairs and maintenance of kilns, furnaces, fireplaces, pizza ovens, stoves, boilers, incinerators, and other high-temperature units.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eReady-to-Use Formula:\u003c\/strong\u003e No additives or preparation required for the product; simply open and apply.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/QD9gKa7JJlU?si=PuwO2Rx29J0U2Q7O\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953312886,"sku":"B0DTLNJJ9Q","price":44.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/proteplast-60-plastic-refractory-mass-8-lb-74-fl-oz-B0DTLNJJ9Q-1.png?v=1757005626"},{"product_id":"iltex-0-4-ultralight-fire-insulation-bricks-pack-of-6","title":"ILTEX-0.4 Insulating Bricks - Pack of 6","description":"\u003cp\u003eILTEX-0.4 ultralight insulating firebricks are designed to reduce heat loss and protect surrounding structures in high-temperature applications. They are lightweight, easy to handle, and suitable for insulation layers in kilns, ovens, fireplaces, stoves, furnaces, and other refractory projects.\u003c\/p\u003e\n\n\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n  \u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n  \u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eQuick specs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial type:\u003c\/strong\u003e ultralight insulating firebrick\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e pack of 6 bricks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrick size:\u003c\/strong\u003e 9 in x 4.5 in x 2.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature rating:\u003c\/strong\u003e up to 850°C \/ 1562°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e insulation layers, heat retention, oven and kiln insulation, fireplace and stove projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose ILTEX when insulation and heat retention are more important than dense structural mass.\u003c\/li\u003e\n  \u003cli\u003eFor direct heavy-duty firebox brickwork, compare RB-40 fireclay refractory bricks.\u003c\/li\u003e\n  \u003cli\u003eFor bonding or repair work, pair with a suitable refractory mortar or cement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eInsulating firebricks are lighter than dense firebricks but still need careful packing. Use the cart shipping preview before checkout. For larger quantities or orders over 700 lb, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bricks lightweight?\u003c\/strong\u003e\u003cbr\u003eYes. ILTEX-0.4 is an ultralight insulating firebrick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use them for insulation behind a hot face layer?\u003c\/strong\u003e\u003cbr\u003eYes, they are commonly used where heat insulation and reduced heat loss are needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they the same as dense firebricks?\u003c\/strong\u003e\u003cbr\u003eNo. These are insulating bricks. For dense firebrick masonry, use RB-40.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43283794198646,"sku":"B0DWH1LCRS","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/090916.png?v=1757598490"},{"product_id":"rb-40-fireclay-refractory-bricks-box-of-3","title":"RTH-USA RB-40 Fireclay Refractory Bricks (box of 3)","description":"\u003cp\u003eRB-40 Fireclay Refractory Bricks offer exceptional thermal insulation and durability, designed to meet the demands of high-temperature environments. Each brick is crafted from natural raw materials and is capable of withstanding temperatures up to 3000°F. Perfect for lining fireplaces, firepits, pizza ovens, kilns, and wood-burning stoves, these firebricks provide superior resistance to thermal shock and wear. Whether you’re repairing an existing installation or constructing a new one, RB-40 bricks ensure consistent quality and performance. Packaged in a set of 3 for easy handling and installation, each brick measures 9 inches x 4.5 inches x 1.25 inches, providing versatility across a wide range of projects.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cb\u003eDimensional Tolerances:\u003cbr\u003e\u003c\/b\u003eLength: ± 5\/32 in \u003cbr\u003eWidth: ± 3\/32 in \u003cbr\u003eThickness: ± 1\/16 in \u003cbr\u003eIn accordance with ASTM C1261-22.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284003029110,"sku":"B0FHX3TB19","price":22.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/IMG_3050.png?v=1756993130"},{"product_id":"rcast-45-medium-cement-refractory-concrete-6-6-lb-pre-mixed-dry-mixture-for-thermal-units-kilns-furnaces-high-heat-resistance-up-to-1400-c-2550-f-abrasion-and-mechanical-strength","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete – 6.6 lb","description":"\u003cp\u003eRCAST-45 Medium Cement Refractory Concrete is designed for high-performance thermal environments where there is no direct contact with molten metal. Withstanding temperatures up to 1400°C (2550°F), this 6.6 lb dry mix pack offers superior abrasion resistance and mechanical strength. Perfect for kilns, furnaces, ovens, and other high-temperature applications, RCAST-45 ensures reliable thermal insulation and structural integrity. Ready-to-mix with no additional additives required - just mix with water and apply for long-lasting results.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953575030,"sku":"DN-GGKP-79D5","price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/Rcast-4507_4f15f96d-7866-40bf-be28-306a0db6406e.png?v=1754620610"},{"product_id":"uniref-40-ready-to-use-refractory-mortar-10-fl-oz","title":"RTH-USA UNIREF-40 Ready-to-Use Refractory Mortar - 10 fl.oz.","description":"\u003cp\u003e\u003cstrong\u003eUNIREF-40\u003c\/strong\u003e is a refractory mortar solution specially created for laying refractory bricks. It can be operated at a temperature of up to 1600 C. It is also suitable for lining repairs. Refractory mortar \u003cstrong\u003eUNIREF-40\u003c\/strong\u003e is supplied ready for use. After curing, this refractory product provides a monolithic connection of the brickwork structure. This mortar is the best choice for projects that use firebricks. Due to the set of characteristics, \u003cstrong\u003eUNIREF-40\u003c\/strong\u003e mortar is a universal solution.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"a-size-base-plus a-text-bold\"\u003eKey features:\u003c\/h2\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eHigh Plasticity Formula:\u003c\/strong\u003e Ensures easy application and superior adhesion for laying refractory bricks.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eLow Shrinkage:\u003c\/strong\u003e Minimizes cracking after drying and firing, guaranteeing long-term durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eExtreme Temperature Resistance:\u003c\/strong\u003e Operates at temperatures up to 1600°C (2910°F), ideal for industrial and residential high-heat applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eSuperior Chemical Resistance:\u003c\/strong\u003e Protects structures against corrosive gases and harsh thermal environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eLow Gas Permeability: \u003c\/strong\u003eImproves energy efficiency and thermal insulation in firebrick structures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eReady-to-Use Convenience: \u003c\/strong\u003ePre-mixed and air-bonded, no additional preparation needed - just apply directly from the tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284262846582,"sku":"B0FHWXZ1MG","price":29.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/uniref-40-ready-to-use-refractory-mortar-10-fl-oz-B0FHWXZ1MG-1.png?v=1756999755"},{"product_id":"uniref-40-ready-to-use-refractory-mortar-74-fl-oz-pail-for-firebrick-lining-and-repair-high-plasticity-low-shrinkage-chemical-and-thermal-resistance-up-to-1600-c-2910-f","title":"RTH-USA UNIREF-40 Ready-to-Use Refractory Mortar – 74 fl.oz.","description":"\u003cp\u003eUNIREF-40 is a gray refractory mortar solution specially created for laying refractory bricks. It can be operated at a temperature of up to 1600 C. It is also suitable for lining repairs. Refractory mortar UNIREF-40 is supplied ready for use. After curing, this refractory product provides a monolithic connection of the brickwork structure. This mortar is the best choice for projects that use firebricks. Due to the set of characteristics, UNIREF-40 mortar is a universal solution.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953738870,"sku":"J6-JU4I-1ZSB","price":44.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/photo_2025-07-16_08.20.01.png?v=1754571404"},{"product_id":"rcast-52-medium-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete 33 lb","description":"\u003cp\u003eRCAST-52 Medium Cement Refractory Concrete is a high-performance dry mix designed for demanding thermal environments. With exceptional resistance to heat (up to 1500°C \/ 2730°F), abrasion, and mechanical stress, it is ideal for thermal units, kilns, furnaces, and incinerators where there is no direct contact with molten metal. This eco-friendly, pre-mixed dry mixture requires no additional additives - simply add water and apply. Whether you’re building, repairing, or upgrading high-temperature systems, RCAST-52 delivers superior durability, thermal efficiency, and reliability.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284249772150,"sku":"B0DX417MLK","price":88.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-52-medium-cement-refractory-concrete-33-lb-B0DX417MLK-1_03316ab2-de4e-43b9-bba2-b208a44729f0.png?v=1778766123"},{"product_id":"uniref-40-ready-to-use-refractory-mortar-44-lb","title":"RTH-USA UNIREF-40 Ready-to-Use Refractory Mortar 44 lb","description":"\u003cp\u003eUNIREF-40 is a gray refractory mortar solution specially created for laying refractory bricks. It can be operated at a temperature of up to 1600 C. It is also suitable for lining repairs. Refractory mortar UNIREF-40 is supplied ready for use. After curing, this refractory product provides a monolithic connection of the brickwork structure. This mortar is the best choice for projects that use firebricks. Due to the set of characteristics, UNIREF-40 mortar is a universal solution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping note:\u003c\/strong\u003e This is a heavy refractory material, and shipping cost can vary by destination. For larger quantities or if shipping looks high at checkout, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284263141494,"sku":"B0DWGTWC2C","price":96.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/uniref-40-ready-to-use-refractory-mortar-44-lb-B0DWGTWC2C-1_00fb0117-c5e6-452e-9671-cf58e1cfe6a0.png?v=1778766319"},{"product_id":"iltex-0-4-ultralight-fire-insulation-bricks-pack-of-2","title":"RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks (pack of 2)","description":"\u003cp\u003eThe ILTEX-0.4 Ultralight Heat-Insulating Brick is engineered for superior thermal insulation across a wide range of high-temperature industrial and residential applications. Each brick offers low thermal conductivity, high energy efficiency, and a service temperature tolerance up to 850°C (1562°F). Ideal for boiler units, kilns, gas furnaces, thermal and electric furnaces, heat exchangers, and metallurgical operations, these bricks are lightweight for easy handling and installation. Crafted from environmentally friendly materials, ILTEX-0.4 bricks offer durable performance and reliable protection against extreme heat conditions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDimensional Tolerances:\u003cbr\u003e\u003c\/b\u003eLength: ± 5\/32 in \u003cbr\u003eWidth: ± 3\/32 in \u003cbr\u003eThickness: ± 1\/16 in \u003cbr\u003eIn accordance with ASTM C1261-22.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43283723911286,"sku":"B0FHX587W7","price":23.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/090905.png?v=1757598343"},{"product_id":"rcast-52-medium-cement-refractory-concrete-6-6-lb-pre-mixed-dry-mixture-for-thermal-units-kilns-furnaces-high-heat-resistance-up-to-1500-c-2730-f-durable-and-abrasion-resistant","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete – 6.6 lb","description":"\u003cp\u003eRCAST-52 Medium Cement Refractory Concrete is a high-performance dry mix designed for demanding thermal environments. With exceptional resistance to heat (up to 1500°C \/ 2730°F), abrasion, and mechanical stress, it is ideal for thermal units, kilns, furnaces, and incinerators where there is no direct contact with molten metal. This eco-friendly, pre-mixed dry refractory mix requires no additional additives - simply add water and apply. Whether you’re building, repairing, or upgrading high-temperature systems, RCAST-52 delivers superior durability, thermal efficiency, and reliability.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953968246,"sku":"SM-SH19-3PTP","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/Rcast-52_09.png?v=1754620544"},{"product_id":"rcast-52-medium-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-52 Medium Cement Refractory Concrete is a high-performance dry mix designed for demanding thermal environments. With exceptional resistance to heat (up to 1500°C \/ 2730°F), abrasion, and mechanical stress, it is ideal for thermal units, kilns, furnaces, and incinerators where there is no direct contact with molten metal. This eco-friendly, pre-mixed dry refractory mix requires no additional additives - simply add water and apply. Whether you’re building, repairing, or upgrading high-temperature systems, RCAST-52 delivers superior durability, thermal efficiency, and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560332857462,"sku":"RCAST-52-660-lb","price":620.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag52_714f6023-fae3-4343-a58c-b6cf1beb7a7d.png?v=1757699481"},{"product_id":"rcast-45-medium-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-45 Medium Cement Refractory Concrete is designed for high-performance thermal environments where there is no direct contact with molten metal. Withstanding temperatures up to 1400°C (2550°F), this 660 lb dry mix pack offers superior abrasion resistance and mechanical strength. Perfect for kilns, furnaces, ovens, and other high-temperature applications, RCAST-45 ensures reliable thermal insulation and structural integrity. Ready-to-mix with no additional additives required - just mix with water and apply for long-lasting results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560338002038,"sku":"RCAST-45-660-lb","price":570.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag45.png?v=1757699588"},{"product_id":"rcast-62sp-low-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-62SP Low Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-62SP Low Cement Refractory Concrete is engineered for superior performance in high-temperature environments. This 660 lb dry mix is formulated to withstand operating temperatures up to 1630°C (2970°F), offering outstanding thermal resistance, slag protection, and mechanical strength. Ideal for lining kilns, furnaces, fireplaces, and other thermal units, this eco-friendly refractory mix requires no additional additives—simply add water and apply. Whether you’re repairing, constructing, or upgrading thermal equipment, RCAST-62SP delivers exceptional durability and ease of use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560342851702,"sku":"RCAST-62SP-660-lb","price":670.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag62sp_8b5df361-f37a-4327-afd1-eb03af9ccfed.png?v=1757699871"},{"product_id":"rth-usa-uniref-40-ready-to-use-refractory-mortar-74-fl-oz","title":"RTH-USA UNIREF-40 Ready-to-Use Refractory Mortar 74 fl.oz.","description":"\u003cp\u003eUNIREF-40 is a gray refractory mortar solution specially created for laying refractory bricks. It can be operated at a temperature of up to 1600 C. It is also suitable for lining repairs. Refractory mortar UNIREF-40 is supplied ready for use. After curing, this refractory product provides a monolithic connection of the brickwork structure. This mortar is the best choice for projects that use firebricks. Due to the set of characteristics, UNIREF-40 mortar is a universal solution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping note:\u003c\/strong\u003e This is a heavy refractory material, and shipping cost can vary by destination. For larger quantities or if shipping looks high at checkout, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":44181224194166,"sku":"B0FHWYK4J6","price":44.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/photo_2026-08-2612.25.20.jpg?v=1789371968"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/collections\/pellet-stove_6165064.png?v=1756758268","url":"https:\/\/wefractory.com\/en-eu\/collections\/boilers-furnaces.oembed","provider":"Wefractory","version":"1.0","type":"link"}