heavy duty ground access mats 20mm thick for architecture wear resist ground access mats 20mm thick for heavy equipment. ... HNOKAY MAT These mats are ideal for use as temporary roads on any type of project using heavy equipment. mats support loads up to 150 tons and are non-conductive. Size: 13.5” x 6.7” x 1.8” Weight: 655 lbs. Pure ...