Quikrete 10 oz. Mortar Repair Tube features an acrylic formula used for sealing joints in concrete, brick and block surfaces. The tube features a square applicator that provides a smooth seal for mortar joints and makes it especially easy to use for tuck pointing. Quikrete 10 oz. Mortar Repair Tube has a sanded texture which matches very well to an existing masonry surface. Color: Gray.