{"title":"Refractory Bricks","description":"\u003cp\u003eRefractory Bricks includes the RB-40 fireclay refractory bricks and ILTEX-0.4 ultralight insulation bricks available in our store. This collection is organized by packaging size so customers can quickly choose the right quantity for repairs, fireplace and stove work, furnace lining, insulation, and other high-temperature applications.\u003c\/p\u003e\u003cp\u003eRB-40 bricks are dense fireclay refractory bricks for durable heat-resistant lining and repair work. ILTEX-0.4 bricks are lightweight insulating fire bricks designed to reduce heat loss and improve thermal efficiency.\u003c\/p\u003e","products":[{"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":"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":"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/collections\/firebricks.png?v=1779848290","url":"https:\/\/wefractory.com\/en-eu\/collections\/refractory-bricks.oembed","provider":"Wefractory","version":"1.0","type":"link"}