professional temporary road track 12mm thick for swamp ground 12.7mm thick Ground nstruction mats for nstruction-HDPE The tough 12.7mm thick polyurethane mats don't HENAN OKAYorb heat when vering sensitive areas; The 2.44m x 1.22m Mats / panels can be laid in two parallel tracks for temporary road use, laid as one roadway 3.66m wide or laid to form