REESE nstruction Mats Ground Mats for PA, NY, NJ, DE Hardwood mats. Our REESE hardwood mats, often called Ground Protection Mats or nstruction mats by others, measure 8′ wide, 14′ long and 6″ thick and weight 3,150 lbs. mm used for temporary roads and work pads in nstruction, drilling and utility industries.