This is the biggest open secret to achieving success when building a shed, or for any structure for that matter. One option is to get a plan online, while there are free plans available, most of them are not complete, so there s really no point in getting any of them as it may even cause you more problems. A garden shed would need good storage areas such as shelves, cabinets and chests for storing chemicals and fertilizers as well as a safe area for storing sharp garden tools. For some, a shed ramp is also necessary if you decide to store a large grass mower. Barn sheds this is usually the largest. Many barn sheds utilize packed dirt flooring which can accommodate small heavy machineries. But what is important is that the lumber is already completely dry; if not, there can be shrinkage in the future when the wood loses its moisture. 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. Most storage sheds are created with wooden walls and sometimes concrete foundation. You will also require certain tools to do the building project. Sheds are not overly complicated so if you know the basics of handling your tools and building, it will be easy for you, it s also one of the best projects to learn about building stuff. There are a lot of options when it comes to this, but when it comes to large sheds it is best to use a concrete foundation. Sixth step: You should now choose your flooring. To protect your shed from moisture and ensuring that it will last a long time, it is recommended to use pressure treated wood. It is also essential that your flooring is leveled and all your corners are squared. Try to wiggle or shake your walls to see if they are secure and that they are no gaps. Any weak points should be strengthened. Your roof should only be built after ensuring that the framing is strong. Choose a roofing material that will be able to cope up with a type of weather in your area. If necessary try to use as many wooden pillars as you would need to ensure that your wooden storage set is secure and durable.