High Heat Refractory Mortar, Sakrete, 50 lb, for Fireplace and Chimney

Sakrete High Heat Refractory Mortar is a dry, medium-duty mortar ideal for setting masonry units in fireplaces, fire pits or chimney applications such as setting clay flue liners and parging a smoke chimney chamber. It has Refracting high heat resistant characteristics and excellent strength properties. When you’re building fireplaces, fire pits, ovens, or any other high-temperature project, High-Heat Mortar is your mix. Formulated to withstand temperatures up to 2550°F, this high-strength, highly workable mix is perfect for setting fire brick, clay masonry or as a parge coat. Product Details Use for laying masonry or fire brick, or as a parge coat Performance for temperatures up to 2550°F Applications from 1/8 - 3/8" Rated for high-temperature applications in 7-10 days Yields 40-50 standard fire brick with 1/4" joints"

• For applications up to 2550 deg F (1399 deg C)
• Air entrained for freeze-thaw resistance
• Underlayment or wear surface
• One hour working time, non water soluble
• Great workability and high strength
• Laying fire brick or clay masonry in high heat applications
• Use for constructing or tuck pointing fireplaces, barbecues and chimney
• Outdoor fireplaces and fire pits, setting clay flue liners
• Set or parging of smoke chambers