HDPE ground access mats 6000×2000 for architecture 6000×2000 green ground access mats 60 T load capacity Ground nstruction mats 6000×2000 60 tons load capacit [] IN STOCK! – 4×8 Black Mats. Our ground protection mats made from 100% recycled high-density polyethylene (HDPE), can hold up to 100 tons and are tough enough to not break.