For use indoors or outdoors certified to gs hd 1004 class 3 meets latest through the trapdoor safe assembly recommendations kits to convert previously purchased units available to special order quality plywood platform 150kg capacity overall w x l 780 x 1780mm when folded the unit rolls through doorways comes with four lockable castors to use at full height the use of mid height safety rails and toe boards is recommended in order to meet health and safety requirements