{"title":"Fireplaces \u0026 Wood Stoves","description":"\u003ch4\u003eProducts: mortars, firebricks, refractory adhesives \u0026amp; cements, refractory clay, repair compounds.\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eKeep your fireplace or wood stove safe and efficient with our reliable refractory solutions.\u003cbr\u003eWhether you are building a new firebox, repairing damaged joints, or sealing cracks, this collection has everything you need: durable firebricks, high-temperature mortars, clays, and repair mixes. \u003cbr\u003eDesigned for home use, these products ensure long-lasting performance and maximum heat resistance.\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":"r-mort-2000-refractory-furnace-cement-118-fl-oz-3-5-l","title":"RTH-USA R-Mort 2000 Refractory Furnace Cement 118 fl. oz. (3.5 L)","description":"\u003cp\u003eR-MORT 2000 (3.5L Industrial Value Pack) is a ready-to-use black refractory cement formulated for extreme heat applications. Ideal for professional use and bulk repairs, this heavy-duty cement bonds securely to firebricks, masonry joints, ceramic, stone, concrete, and metal. Its color-change formula shifts from black to white during curing, confirming proper heat exposure and application. No mixing is required — just open, stir, and apply. This industrial-grade cement is perfect for large fireplace repairs, kilns, boilers, pizza ovens, forges, and more. Use R-MORT 2000 bulk pail to simplify high-heat maintenance with confidence and durability. Manufactured in the EU under strict quality control standards, it ensures long-term performance under thermal stress.\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":42441953345654,"sku":"B0CQ9N85CG","price":21.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/IMG_2791-2.png?v=1755289408"},{"product_id":"r-mort-2000-refractory-furnace-cement-74-fl-oz-2-2-l","title":"R-Mort 2000 Cement 74 fl oz","description":"\u003cp\u003eR-Mort 2000 is a ready-to-use refractory furnace cement for bonding, sealing, and repairing heat-exposed masonry. It is designed for fireplaces, stoves, furnaces, fireboxes, ovens, and refractory repair projects where a convenient pre-mixed cement is preferred.\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 ready-to-use refractory furnace cement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 74 fl oz \/ 2.2 L pail\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature rating:\u003c\/strong\u003e up to 2000°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e bonding, sealing, patching, and repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e fireplaces, stoves, furnaces, fireboxes, ovens, and small refractory repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose R-Mort when you want a pre-mixed refractory cement for repair and adhesive work.\u003c\/li\u003e\n  \u003cli\u003eFor larger bricklaying projects with dry mortar, compare MORTACLAY-40d.\u003c\/li\u003e\n  \u003cli\u003eFor fireclay powder or custom mixes, compare RCC-3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eUse the cart shipping preview before checkout to estimate delivery cost. 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\u003eIs R-Mort ready to use?\u003c\/strong\u003e\u003cbr\u003eYes. It is pre-mixed and does not need dry mixing before application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is this product?\u003c\/strong\u003e\u003cbr\u003eThis listing is for one 74 fl oz \/ 2.2 L pail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for firebrick repair?\u003c\/strong\u003e\u003cbr\u003eYes, it can be used for many refractory masonry repair and bonding applications when used as directed.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953378422,"sku":"B0CQ9SM5BD","price":14.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/r-mort-2000-refractory-furnace-cement-74-fl-oz-2-2-l-B0CQ9SM5BD-1.png?v=1756990235"},{"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":"r-cem-2000-refractory-cement-74-fl-oz-2-2-l","title":"R-CEM 2000 Cement 74 fl oz","description":"\u003cp\u003eR-CEM 2000 is a professional ready-to-use refractory cement for high-temperature repair, sealing, and bonding. It is a convenient option for fireplaces, stoves, fireboxes, furnaces, ovens, and small refractory maintenance projects where a pre-mixed cement is preferred.\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 ready-to-use refractory cement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 74 fl oz \/ 2.2 L pail\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature rating:\u003c\/strong\u003e up to 2000°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e sealing, patching, bonding, and repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e fireplaces, stoves, fireboxes, furnaces, ovens, and refractory maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose R-CEM when you need a ready-to-use refractory cement for repair or sealing work.\u003c\/li\u003e\n  \u003cli\u003eFor larger firebrick laying projects, compare MORTACLAY-40d dry refractory mortar.\u003c\/li\u003e\n  \u003cli\u003eFor clay powder or custom refractory mixes, compare RCC-3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eUse the cart shipping preview before checkout to estimate delivery cost. 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\u003eIs R-CEM ready to use?\u003c\/strong\u003e\u003cbr\u003eYes. It is pre-mixed and can be applied without dry mixing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is this product?\u003c\/strong\u003e\u003cbr\u003eThis listing is for one 74 fl oz \/ 2.2 L pail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between R-CEM and dry mortar?\u003c\/strong\u003e\u003cbr\u003eR-CEM is ready-to-use cement for repair and sealing work. Dry mortar such as MORTACLAY-40d is usually better for larger firebrick masonry projects.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953476726,"sku":"B0CQ9T9WWX","price":14.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/r-cem-74-pail_bbfbc4a9-cf40-495e-b6f7-5e323e6b226c.png?v=1756988822"},{"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":"r-cem-2000-terracotta-refractory-cement-118-fl-oz-3-5-l","title":"RTH-USA R-CEM 2000 Terracotta Refractory Cement – 118 fl oz (3.5 L)","description":"\u003cp\u003eR-CEM 2000 Terracotta Refractory Cement is a professional-grade, ready-to-use bulk adhesive designed for industrial applications in high-temperature environments. Packaged in a large 3.5-liter (118 fl oz) pail, this value pack is ideal for multiple repairs or large-scale jobs. Formulated with a self-indicating terracotta pigment, it visibly changes color near its temperature limit to signal proper curing. Engineered for excellent thermal shock resistance, it bonds reliably to firebrick, ceramic, metal, stone, and concrete. Whether you’re reinforcing fireplace masonry, sealing seams in refractory linings, or insulating furnace structures, R-CEM 2000 is your trusted solution. Perfect for bulk purchases, contractor use, or homeowners seeking long-lasting results without the hassle of mixing. A smart choice for heavy-duty repairs where durability and efficiency are key.\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":42441953640566,"sku":"B0CQ9JTHTZ","price":21.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/r-cem-2000-terracotta-refractory-cement-118-fl-oz-3-5-l-B0CQ9JTHTZ-1.png?v=1757005174"},{"product_id":"mortaclay-40d-fireclay-refractory-mortar-50-lb","title":"MORTACLAY-40d Mortar 50 lb","description":"\u003cp\u003eMORTACLAY-40d is a high-performance fireclay refractory mortar for laying, bonding, and repairing firebrick in fireplaces, pizza ovens, kilns, furnaces, fireboxes, and other high-temperature masonry projects. This 50 lb dry mix is made from primary refractory raw materials and develops a strong ceramic bond after proper firing.\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 dry fireclay refractory mortar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 50 lb bag\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature use:\u003c\/strong\u003e high-temperature refractory masonry, up to 3000°F when used as directed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e add clean water and mix to a workable mortar consistency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e firebrick joints, masonry repairs, refractory linings, ovens, fireplaces, kilns, and furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse MORTACLAY-40d when you need a dry mortar for setting or repairing refractory brick.\u003c\/li\u003e\n  \u003cli\u003eFor small patching or ready-to-use adhesive work, R-Mort or R-CEM may be easier to apply.\u003c\/li\u003e\n  \u003cli\u003eCoverage depends on brick size, joint thickness, and the condition of the surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eThis is a heavy refractory material, 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\u003eIs this ready to use?\u003c\/strong\u003e\u003cbr\u003eNo. This is a dry mix. Add clean water and mix before application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with firebricks?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for refractory masonry and firebrick work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I buy multiple bags?\u003c\/strong\u003e\u003cbr\u003eYes. For heavy or bulk orders, contact us so we can help check the best shipping option.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43283879460982,"sku":"B0DTM7Y64Q","price":37.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/mortaclay-40d-fireclay-refractory-mortar-50-lb-1-B0DTM7Y64Q-2-2.png?v=1756990786"},{"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":"mortaclay-40d-mortar-30-lb","title":"RTH-USA MORTACLAY-40d Mortar 30 lb","description":"\u003cp\u003eMORTACLAY-40d is a high-performance fireclay refractory mortar for laying, bonding, and repairing firebrick in fireplaces, pizza ovens, kilns, furnaces, fireboxes, and other high-temperature masonry projects. This 30 lb dry mix is made from primary refractory raw materials and develops a strong ceramic bond after proper firing.\u003c\/p\u003e\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\u003ch3\u003eQuick specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial type:\u003c\/strong\u003e dry fireclay refractory mortar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 30 lb bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature use:\u003c\/strong\u003e high-temperature refractory masonry, up to 3000°F when used as directed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e add clean water and mix to a workable mortar consistency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e firebrick joints, masonry repairs, refractory linings, ovens, fireplaces, kilns, and furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse MORTACLAY-40d when you need a dry mortar for setting or repairing refractory brick.\u003c\/li\u003e\n\u003cli\u003eFor small patching or ready-to-use adhesive work, R-Mort or R-CEM may be easier to apply.\u003c\/li\u003e\n\u003cli\u003eCoverage depends on brick size, joint thickness, and the condition of the surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eThis is a heavy refractory material, 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\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this ready to use?\u003c\/strong\u003e\u003cbr\u003eNo. This is a dry mix. Add clean water and mix before application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with firebricks?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for refractory masonry and firebrick work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I buy multiple bags?\u003c\/strong\u003e\u003cbr\u003eYes. For heavy or bulk orders, contact us so we can help check the best shipping option.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":44181157314678,"sku":"B0HGLT56BV","price":33.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/photo_2026-08-2612.25.05.png?v=1789370797"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/collections\/furnace_10120198.png?v=1756757126","url":"https:\/\/wefractory.com\/en-eu\/collections\/fireplaces-wood-stoves.oembed","provider":"Wefractory","version":"1.0","type":"link"}