... :Flat packing, light gauge steel keel in some packages, wall panel packed, other fittings all in boxes, cartons and crates, ... stone ,resin tileWaterproof layer: breathable film ,felt paper ,PE materialInsulation EPS sandwich panel, PU sandwich panels, glass fibers sandwich panelPurlins : ... standard. The window and door are fitted on the wall panel, so you can easily adjust their position by exchanging ...