Abstract: The present invention provides a drain-through type of designed portable work and walking surface matting, which has the size, weight and slip resistant characteristics, as well as the anti-fatigue properties which make it a more desirable surface on which to walk and work. The invention consists of the lamination of two dimensionally stable or unstable coated scrims to produce dimensionally stable laminate. Each coated scrim has a plurality of openings extending through the scrim. The lower surface of the first coated scrim is permanently bonded to the upper of the second coated scrim.