Insulation Protection Board is made from high-density polyethylene (HDPE) and serves as a protective layer that separates diaphragm walls from soil while protecting them from water.
Green Roof Drainage Board is made from high-density polyethylene (HDPE), a material with high compressive strength and durability.
Geotextile Drainage Board prevents the waste cavity around the bubble from being blocked with its integrated geotextile cover.