Waterproofing is the formation of an impervious barrier which is designed to prevent water entering.

Waterproofing is a method by which an item is made resistant to damage by water. Waterproofing is the formation of an impervious barrier which is designed to prevent water entering or escaping from various sections of building structures. Internal areas that are waterproofed include bathrooms, shower recesses, laundries and toilets. Whilst an External area waterproofed extends to roofs, planter boxes, podiums, balconies, retaining walls and swimming pools.