Once the walls are prepped, a 9 inch wide strip of bituthene material is applied to all of the corners and cold joints, a 3 foot wide membrane is the applied to the entire wall surface and each sheet is overlapped approximately 2 inches.

Specification Comparisons (PDF format)

The top and bottom of the membrane sheets are sealed with mastic. Our drainboard, which has proven superior performance in regards to waterflow rate, comprehensive strength and long term performance, is then applied over the membrane.

A high-flow strip base drain, Aquadrain , is placed along the footing allowing water to flow out the drain and into discharge pipes (this drainage system eliminates the need for a French drain but both systems can be used simultaneously).