Heat Stop 50 Refractory Mortar
One of our top-selling products, Heat Stop 50 is the masonry construction industry standard for high-temperature refractory mortar. This product meets and exceeds ASTM C-199 and all other national and state building codes. Heat Stop 50 is non-water soluble and can be safely used in the installation and repair of extreme heat-resistant firebrick and masonry in bread and pizza ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns and wood stoves that reach temperatures of up to 2,500 degrees. Combine Heat Stop 50 dry mix with clean, cold water for masonry applications. The 50-lb. bag yields about 60 lbs. of refractory mortar after mixing. You will need approximately 50 lbs. of product to lay up 100 firebrick. Remember, shipping is FREE when you place an order of $100 or more (continental US only). Consider adding some of our masonry color or tools to your order.
As a trusted Heat Stop supplier, MyBuildingSupplyStore.com offers manufacturer-direct pricing on Heat Stop 50 and the full Heat Stop line of refractory mortar products. Contact us with any questions about this product—we’re here to help!