CUSTOM BLDG PRODUCTS ARL40003 Cera Tile Adhesive, 3.5 gallon Adds extra shine to your product Acrylic ceramic tile adhesive, premium Acrylic mastic, easy to trowel, exceptional water resistance, great for shower walls, ideal over drywall, exceeds ANSI a136 Manufactured in China Easy to trowel. Exceptional water resistance. Great for shower walls. Resists mold and mildew. Premium acrylic mastic.