ARDEX WA High-performance, 100% Solids Epoxy Grout and Adhesive is a solvent-free, two-component epoxy grout and adhesive. ARDEX WA is suited particularly for tile installations in industrial areas, swimming pools, hot tubs, showers, bathrooms, dairies, meat packing facilities, breweries, hospitals and any installation requiring high standards of hygiene and chemical resistance. Tile installed with ARDEX WA can be grouted in 12 hours.