River wash gravel is placed in the drain line trench to aide in water stream. Then we put in Polydrain, an air-gap tech drainage board at the cove area where the foundation wall meets the cellar floor. This heavy duty constructed drainage matting is bent and placed the wall up and above the trench. It raises water drainage and leads intruding water because of hydrostatic pressure to the subgrade tile system. Following the installation of the Polydrain that the trench is sealed using commercial grade concrete.
Interior Basement Waterproofing solutions may also include things like wall systems. Alternatives are a 6 mil polyethylene vapor barrier which is tucked into the Polydrain and installed typically from floor to ceiling. To get a cleaner look and for walls using a high moisture content Polywall, an extruded resin sheet can be installed. It is easy to wash, 100% waterproof and doesn’t support mold, mildew or bacteria development. For wall areas with high water content, like corners, problem areas or older construction, Polydrain may be installed complete wall or chest high. There are also commercial grade epoxy and polymeric acrylic coatings available.