Mapei Ultralite S2 Grey 25lb - Shop now for great prices and deals on tools, accessories, mortars, glues and more in a variety of options. Visit Squarefoot Flooring, your trusted flooring store and top flooring retailer near me, proudly serving Mississauga, Barrie, Toronto, Oakville, Niagara Falls, Brampton, Newmarket, Burlington, Hamilton, Guelph, Ontario, and all of Canada. Category: Tile Setting Materials. Brand: Mapei. SKU: 94120-15.