Exterior, Small Home Building Type, Shipping Container Building Type, Metal Roof Material, Metal Siding Material, Glass Siding Material, and Flat RoofLine The architect and his team devised an armature on the back of the container that will eventually be covered with vines, concealing the AC and heating unit, the reservoir for graywater and the composting toilet outlet.  Photo 9 of 10 in 9 Modern Homes Made Out of Shipping Containers from Smaller in Texas