... .. The geogrid are composed of fiberglass or polyester yarn coated with Bitmen,PVC,SBR.These products possess the properties of high ... ,and water dams.Geogrids woven by Dornier Weaving machines,coated with PVC.Application (1) Roadbed reinforcement of road and railway,crack ... roll.50m or 100m per roll,each roll per PE Sheet with label on one side. reinforcement fiberglass geogrid