All Purpose Adhesive Company recently expanded their adhesive line with the development of Ceramigrip 460, a ceramic tile mastic. Ceramigrip 460 can be cleaned up with water and can be used for interior installations of wall, floor and countertop ceramic tiles. The adhesive is designed to bond to concrete, plaster, gypsum wallboard, exterior grade plywood, and cementitious backer board. Ceramigrip is nonflammable, water resistant, non-staining, and exceeds ANSI A-136.1 Type 1 specifications. The product is available in 3.5- and 1-gallon pails