A tough, ready to use latex caulk specifically designed for repairing, tuckpointing and sealing cracks and joints in mortar. Apply with standard caulking gun to create a strong, durable and flexible repair to mortar joints in brick, block, stone or tile up to 3/8” thick. Non-shrinking, with excellent adhesive strength and water resistance to provide superior protection. Also for sealing around windows and doors. Dries to a textured, gray mortar finish and can be painted to match wall or mortar color.