we build many styles and sizes in 18 colors all buildings have 2x6 pressure treated floor joist 16" on center,3/4"flooring 8 wide comes with 2 skids all others come with 3 skids ,skids and,floor joist  comes with a lifetime warranty against termites and wood rot siding and trim comes with a 20 year warranty against blistering and corrosion roof has a 20 year warranty against leaks at l&l portable buildings we strive to build the highest quality building at the best possible price all building come with free delivery and set up for more vist us on line at landlportablebuildings.com are call 478-414-6110