Methods of Waterproofing:

Waterproofing means something not affected by water or covered with a specialized material to avoid any damage by not allowing the water.  In order to have an ideal waterproofing check the tiles are of absorbing type, encasing the CI pipes, filling up the sunken parts with cinder.

Having waterproofing is always to be done before backfilling.  For this there are many methods such as injection grout, Ferro cent the sides, prepare haunches, provide 25mm slope, apply penetrating slurry, lay minimum 50mm thick concrete screed, use tile adhesives, ensure proper grouting, seal with butyl sealant all joints and bathtub on the walls.

Even in industrial and commercial sectors use resin floorings mostly as it fits in any environment and the resin flooring is priced reasonably but look elegant.