... as impervious layer. base fabric types: needle punched short geotextile, woven geotextile, non-woven geotextile, fiberglass meshmembrane material(synthetic polymers): HDPE, LDPE, ... it reduce seams and cost, shorten manufacture schedule.2) composite geotextile makes better using effects, saves more project time, reduces more ... cloth a film0.50.60.811.21.41.6 thermal compound HDPE composite geotextile