If low maintenance is your primary concern, look no further than these ranch style portable storage buildings. Shown here is an 8′ x 12′ portable storage building built with 2 x 4’s for the frame; 5/8″ plywood floor; aluminum siding, aluminum roofing, aluminum nails, screws and rivets. Last we heard, it has been 30 years and these buildings are still in regular use. If you are interested in buying a portable storage building or shed with the lowest possible maintenance, look no further. Model CU-8.