Here are some other aspects in shed roof building that you should also keep in mind: Your design of your roof should be slant and steep so that pressure would not build on it. But you also have to make sure that your roof design should conform to the building code in your area. After your application has been approved, you should now have your roof trusses fabricated, if you don t have the tools nor the skills to do this, most lumber yards can do this for you for a minimal fee. But before you rush out to get some lumber, or any other building materials you wish to use, stop first and think. Your building project will be so much easier if you have a detailed plan of your build a farm shed project. Designing your won farm shed would be easy enough if you know what you need it for. Also, ensure that you are able to square your walls perfectly before nailing them together. Eight step: Your roof is now your next priority. This part of your shed is very crucial. They should be able to protect the contents of your sheds and also be able to withstand harsh weather. Your plans should be very detailed as to the rafters and beams and also the type of roofing material. Also, steel is not known as a habitat for fungi such as mildew and mold. So once you build your steel shed, there s really no need to look after it so much. If you live in an area where harsh winter storms occur frequently, you will find that steel is indeed a wise investment. They can take a lot of load and will not easily collapse, make sure though that your plans are well designed as steel can get quite heavy, you will need strong support especially in your foundation. Make sure that the bricks are tightly packed so that water could not seep in. Don t forget to leave an opening for your door and windows. Step 5. Leave a gap of about three to four inches for ventilation for the frame of the roof. Connect your lumber from one side of the post to the other. Make a six inch overhang for each lumber. Building your own shed will allow you to customize its size and the storage space inside, like shelves and cabinets for optimum storage. 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.