Geo-Mat Plus is a dimpled drainage board allowing water to fall freely to the footer drain while eliminating hydrostatic pressure and assuring a clear water channel between back fill and the foundation wall. The attached geotextile mat resists water absorption and protects against silting. Made of 100% post-consumer recycled high-density polyethylene, Geo-Mat Plus is a LEED friendly product. The integrated top profile seals the top of the mat to prevent dirt and debris from getting behind the roll. The Geo-Mat Plus has a drainage capacity of 30.41 gal./min./sq. ft., a thickness of .2968 in. and is gray in color with a white silt guard.