wear resist Ground nstruction mats 15mm thick for nstruction 40. – Thickness: 12.7mm, 15mm, 18mm, 20mm etc. – Cleat height: 5mm. – lor: Black/Dark Green (other lors available) Pattern both sides OR smooth on one side. Various sizes and thickness can be offered to suit your need. (12.7mm, 15mm, 18mm, 20mm) 2). Advantage of HDPE []