How to build a lean to - framing and adding siding (part 1) april wilkerson. how-to build a budget board and batten style backyard garden shed using osb and construction lumber - duration:. Learn how to build and install a double door for your storage shed. this video shows you: how to build the left and right shed doors how to hang a shed door how to install gate hinges for shed. A lean-to carport can be a great choice for backyards that lack space and for simpler construction, that can be dismantled should there be a need. typically, a lean-to carport leans on the side of an existing structure like a garage, shed or barn so both constructions blend in as part of the same building..