Stir mixture while adding water to get a stiff consistency. Packaged in 50 lb. Custom colors are available by special order. Glass Block Mortar contains portland cement and silica sand. Nuisance dust mask should be used when handling powder.
Product is corrosive on contact with water.
Use mixing paddle and gloves when handling. If mixture comes in contact with skin, rinse area immediately. Do not take internally. Keep out ot reach of children. Adhere expansion strips to jambs and headers.