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Fireplace Mortar
Fireplace Mortar
Our Price: $25.00

A durable refractory mortar used to repair cracked or chipped firebrick and to re-point mortar joints.  Withstands temperatures to 2000 degrees.  Comes in a convenient 10.3 oz. tube. Shipping is FREE (contiguous US only).
HEAT STOP PREMIXED Heat Stop Premixed is a fire-resistent, grey-colored refractory mortar used for the installation or repair of high-temperature resistant firebrick and masonry in pizza ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns, a
HEAT STOP Refractory Mortar, Premixed
Our Price: $48.00

Heat Stop Premixed is a fire-resistent, grey-colored refractory mortar used for the installation or repair of high-temperature resistant firebrick and masonry in pizza ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns, and wood stoves. This is an air-setting product which may be water soluble in service. Do not use in exterior applications or where excessive moisture is present. 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 15 and 50 lb. pails. Shipping is FREE for all orders (contiguous US only).

Heat Stop Domestic Fireplace Mortar is a premixed, beige-colored version of the industry standard Heat Stop refractory mortar. This fire and heat-resistant mortar meets or exceeds all national and state building codes, including ASTM C-199.
HEAT STOP Domestic Fireplace Mortar - Premixed
Our Price: $49.00

Heat Stop Domestic Fireplace Mortar - Fire resistant premixed mortar

Available in either a 15-or 50-lb. pail to meet your project’s needs, Heat Stop brand Domestic Fireplace Mortar is a premixed, beige-colored version of the industry standard Heat Stop refractory mortar. This fire and heat-resistant mortar meets or exceeds all national and state building codes, including ASTM C-199. Once dried, Heat Stop brand Domestic Fireplace Mortar resists temperatures of up to 2,500 degrees and can be safely used in the installation or repair of firebrick and masonry in bread and pizza bake ovens, boilers, fireplaces, flues, furnaces, incinerators, kilns and wood stoves. You will need approximately 50 lbs. of product to lay up 100 firebrick.

Domestic Fireplace Mortar is ready to use on arrival—simply mix thoroughly and apply. This product is not recommended for exterior applications or in high-moisture areas. Where excessive water is present, we recommend the non-water soluble Heat Stop 50 and Heat Stop II mortars. Shipping is FREE for all orders (contiguous US only). Consider adding some masonry tools to your order.