Molded from domestic clay to strict specifications, the clay is heat fired to create a fill that is immune to traditional fill deterioration problems. This tile fill exhibits low water absorption such that it will withstand extreme freeze-thaw environments common in cold weather climates or free-cooling applications.
Characterized by large openings, Permagrid® tile is an excellent performer in the high-solid contents environment of dirty water applications. Permagrid is set without mortar, adhesive or mechanical connections so no regular maintenance is necessary. The installed system is placed in a pattern designed to provide optimal thermal performance.