HeatStop hydraulic setting refractory mortarDry hydraulic setting refractory mortar that meets ASTM C 199, ASTM C 1283 and all building code requirements. Non water soluble & Acid resistant Easy to use. Just add water and mix. One product for both firebrick and flue liners. Cast it, color it, use it for repairs. Available in 50# bags or in 10# containers. Back to Refractory Mortar

6"x 6"x 2-1/2" with 4" diameter hole

Has your masonry fireplace business declined significantlyt

if side-wall vented) at a high velocity

Discharges vertically (horizontally

or 24" probe

* size of screen if surface mounted

- with two coats)

Non-water soluble & Acid resistant Easy to use

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Opens and closes like a car door

fit inside our clay chimney pots

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