double-sided pattern ground nstruction mats 6000×2000 for apron portable roadway various lor extrusion nstruction hdpe ground protection mats. hdpe. $2.32 – $2.78 / kilogram. 200.0 kilogra (min. order) uhmwpe plastic truck bed liner. $2.50 – $3.60 / kilogram. nstruction extrusion 12.7mm antislip double-sided pattern temporary ground protection