A lean to shed consists of a sloping roof and three walls that abuts the wall of another structure. this type of shed provides simple shelter and storage for lawn and garden equipment, sports equipment, grilling supplies, outdoor furniture cushions, miscellaneous tools and so much more.. This small lean to style yard shed has a compact size ideal for smaller gardening tools. the bayside is cedarshed’s largest lean-to style shed. it comes in 6'x3', 8'x3', 8'x4' and 12'x4' shed sizes with instructions. upgrade the dutch door with a wooden double door, sliding door and functional windows..