For Woodstoves & Inserts & Fireplaces & Alternative Fuels & Outdoor Living
It can be cast into custom shapes, used to fill large holes or cracks in masonry fireboxes, or as a solid stone bed. When this dry material is mixed with water, it chemically sets and dries rock hard.
May be used in outdoor fire pits. 12.5 lbs.
Casts a block 12″ x 12″ x 1-1/4″.
Light brown when cured.
Can withstand temperatures up to 2200°F.
Dry mix in tub, light brown when cured.
View the MSDS Sheet
Clean surface to be cemented of dirt, rust, foreign material, wooden forms, porous backup material should be water proofed to prevent absorption of water from castable, old refractory material surfaces should be dampened in order to prevent absorption of water from castable, dry mix the content for 1 min max adding water, add 1.5-2