Like the Internal French Door, our Internal Single Aluminium Door provides a wide range of handle options, hardware choices, sizes and more. Available in over 150 RAL colours, our OI-30 Single Internal Door designs are sleek, modern and visually striking solutions for dividing up an area. This Origin Single Internal Doors can be used for both commercial and residential use. Made from ultra-strong, steel-look aluminium, our room divider doors provide a durable and environmentally friendly solution for separating a room.