Part Number: 250
eFireplaceStore Item Number: FSD-250
f you need to seal up masonry to masonry joints for your firebrick installation, AW Perkins Castable Refractory cement is just the thing. This refractory cement is created to be used with masonry joints under 1/4 in. thick, and is a ready mixed mortar that can be used for setting, coating, or resurfacing fire brick. This cement also is to be used exclusively as the mortar between fire bricks when building fire boxes, and must be heat cured, after which it can withstand 2,000 degree temperatures, then cures to a buff color. This castable refractory cement comes in 6 - 1/2 gallon tubs, and is also available in a case of 2 - 1 gallon tubs.