The diy storage shed kit walls are assembled and the rafters are prebuilt and ready to put into place. while we offer large shed kits as well as small barn kits, on the smaller 6? and 8? shed kits, the floor may be partially constructed to make the job even easier.. Country carpenter's small barn and shed building kits view carriage houses, horse barns, hobby and craft barns, salt-box garages, pool houses, garden sheds and all-purpose country barns in fine pre-cut post & beam building kits. get a free downloadable catalog.. Building shed addition to barn small tool shed kits how to build wood stove aluminum frame build your own storm door how to build a small tin roof basically, storage shed plans offer plans to build on three types of foundations..