Some of the waterproofing methods are brickbat coba method, cement/lime based treatments, elastomeric membrane forming methods, silicon based impregnators (as water repellents) and bituminous based products. Modified bitumen and bituminous products are very economical.They are flexible and have crack bridging capacity. construction material in bangalore

​

Coating the surface with cement lime mortar is one of the oldest practices. However, the load of the structure will be increased in this process and it is not flexible. The breathing capacity of the concrete is retained with mineral slurry with polymer cement. Epoxy & polyurethane coating gives great abrasion resistance and it is resistant to UV rays as well. however, you should compromise on breathing capacity of concrete.