Its dimpled sheet provides outstanding drainage and physical protection over under-ground foundation walls. The nonwoven geotextile mat over the dimples creates a continuous air gap for reliable ventilation and drainage of water inflow from the surrounding soil. This composite system excels in a wide variety of other application sectors as well, including basements, underground parking garages, roof terraces, parking garage roofs, etc., providing users a variety of benefits.

• Permanent air gap, suspended particles in water are filtered out by the geotextile mat
• Excellent drainage performance
• Outstanding compressive strength

Walldrain products are resistant to a wide range of chemicals, impervious to root penetration, rot-proof and unaffected by soil bacteria and fungi.