Waterproof or water-resistant describes objects unaffected by water or resisting water passage, or which are covered with a material that resists or does not allow water passage. The act of waterproofing is making an object waterproof or water-resistant.
Waterproofing is the formation of an impervious barrier which is designed to prevent water entering or escaping from various sections of building structures.
External area waterproofing extends to roofs, planter boxes, podiums, balconies, retaining walls, elevator shafts, water storage tanks and swimming pools.
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