Medium Duty Refractory Mortar, 50 lb, Bag

Refractory Mortar, Product Form Powder, Application Constructing or Tuckpointing Fireplaces, Barbeques, and Chimneys, Fire Pits, Laying Fire Brick or Clay Masonry in High Heat Applications, Outdoor Fireplaces, Set or Parging of Smoke Chambers, Setting Clay Flue Liners, For Use On Surface Material Concrete, Stone, Wood, Resistance Properties High Temperature Resistant, Mortar Type Not Applicable, Coverage 6 sq ft @ 1 in, Container Size 50 lb, Container Type Bag, Working Time 1 hr