Glass Block Pre-Mix Mortar 50# bag
QUIKRETE® Glass Block Mortar (No. 1610) is a specifically formulated blend of white sand, cement, lime and other waterproof additives designed to provide a decorative, waterproof joint. Exceeds the performance requirements of ASTM C270 for Type S Mortar. Just add water.
Laying glass black for interior & exterior walls
Laying brick, block or tile where white mortar is desired