Name: 2 ft. 8 in. x 4 ft. 5 in. x 3 ft. 9.5 in. resin horizontal storage shed: stow-away 3 ft. 8 in. x 5 ft. 11 in. resin horizontal storage shed. Versatile and weather-resistant, this suncast large vertical storage shed fits just about anywhere you need a little extra storage.. The shed we built rests on a foundation made up of 12 solid-concrete blocks. the 4 x 8 x 16-in. blocks are arranged in three rows spaced 59 in. apart..