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Heat Stop II is a dry-mix, non-water soluble refractory mortar used in the installation or repair of high-temperature resistant firebrick and masonry in bread or pizza ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns, and wood stoves.
HEAT STOP II 10 lb. Jar - Refractory Mortar Dry Mix
Our Price: $48.00

Heat Stop II is a dry-mix, non-water soluble refractory mortar used in the installation or repair of high-temperature resistant firebrick and masonry in bread or pizza ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns, and wood stoves. It is fire-resistant, non- water soluble and may be used in exterior applications. Resists temperatures to 2,500 degrees. Meets all state and national building codes. Meets A.S.T.M. C-199. You will need approximately 50 lbs. of product to lay up 100 firebrick. Shipped in a 10 lb. jar. Remember, shipping is FREE for all orders (contiguous US only). Consider adding some of our masonry color or tools to your order.

50 lb bag of Heat Stop 50
Heat Stop 50 Refractory Mortar - Dry Mix
Our Price: $79.00

Heat Stop 50 Refractory Mortar - Fire resistant mortar for fireplaces and brick ovens

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 for all orders (contiguous 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!