The standard access door consists of 3 parts: a panel, a frame, and fastening plates. All these are made of galvanized steel plates. The panel is further painted with a white color. The panel is directly pushed into the frame. The frame can be mounted through fastening plates to a wall with a thickness between 12.5 to 52 mm, or simply screwed to the profiles behind the wall. The following dimensions are available: 150x150(mmxmm), 200x200, 300x300, 400x400, 500x500, and 600x600.