MasonBond 400 is a pre-blended, pre-packaged mortar specifically designed for use with cultured bricks and stones, as well as for granite pavers and slab installation. This mortar is a blend of cementitious material, polymer, masonry sand and other carefully selected components. It is grey in colour. Usage: For bonding brick and cultured stone to a variety of vertical surfaces For bedding granite paver and slabs on horizontal surfaces For installing steps in landscaping Can be used indoors and outdoors Advantages: High bond strength Superior workability High compressive strength and long-term durability Pre-blended, which reduces mixing time on-site and increasing the productivity Excellent resistance to de-icing salts Contains less than 0.1 g/L (0.013 oz/gal) of volatile organic compounds (VOCs), less water (SCAQMD Rule #1168)