If not, snow or rain water will collect on the roof upping the chances of damaging your shed roof or the walls of the main structure. Another way to ensure that you won t have any difficulties in building your lean to shed is to guarantee that the foundation where you plan to build your shed is level and the walls of your shed is even to the wall of the main structure. The Mobile Shed Build a Shed on Skids For most conventional sheds, there are two types of foundation that you can choose from, for the permanent sturdy shed, there is the concrete foundation, and for mobility there is the skid foundation. There are many advantages as to why a skid foundation, considered temporary, is chosen by many homeowners. Ease of use while most ramps are not as large as a barn, you can build a ramp that would make it easy for you to bring out or in a garden tractor or a lawn mower. You may think that having a fairly good slope and enough driving space would be enough, that isn t the case. Many of these machines have an undercarriage and can just as easily ground over the threshold of the door. Usually, lumber that is 1 inch thick is used. After doing your measurements, you can now use your saw to cut your boards. After cutting, lay down all your boards, put them together and make your final measurement. You should now cut the lumber you will use for your braces. Typically a door brace would need three pieces of lumber, one goes across the top side of the door, one on the bottom side and one longer piece to go across diagonally the length of the door making a Z-shape. Another way to decrease the amount of water soaked up by your cement slab foundation is to use concrete piers. This is utilized underneath the grade and the supports that the sheds rests on, keeping your construction away from the floor and providing a durable support for the cement footing. Also, if you are able to divert potential water flow away from the footing and try to elevate the area where you plan to build your shed to ensure that water won t settle around or beneath it. Second, check with your local planning and zoning commission and show them your building plans. This way, you can be assured that you will have no problems with the authorities later on. Now let s start building. It is imperative that you have all your materials prepared before the actual building process.