The simple way to update old, worn out boards! Renewal boards are designed to attach directly over existing framed boards with no need to remove the old boards. Simply order the exact size of the original board to be covered including the frame, but not the tray. All Renewal markerboards feature 28-gauge porcelain writing surfaces completely surrounded by satin anodized aluminum trim with no marker trays. Factory pre-drilled holes in the aluminum framing make installation quick and easy. Premium porcelain marker surface accepts magnets and will not ghost or stain.