Make your Terrace leakage Free With Mapei Waterproofing Products. Mapei is offering best waterproofing chemicals for terrace. It has developed various product systems to carry out secure waterproofing work, such as the range of cementitious and acrylic waterproofing products for terraces, balconies, bathrooms, road joists, basins and storage tanks, bentonite sheets, cementitious products and bitumen emulsions.