1807.3.1 Floors. Floors required to be waterproofed shall be of concrete and designed and constructed to withstand the hydrostatic pressures to which the floors will be subjected.
There is a common misconception that concrete provides waterproofing capabilities. This supposition has led to moisture infiltration and structural damage with countless buildings.
Waterproofing concrete is essential at below-grade areas to prevent water intrusion and structural damage. In many areas of the world we have exhausted the building sites having the good