By doing this, you will be ensuring that any rain water or snow fall will slip away from the main structure your shed is attached to. 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. With your plans, you can determine the exact number of materials that you will need what type of materials and all the other tools that will be required. For manufacturing the parts that you will need, you will have to use a top quality hammer, a power drill, a spherical saw and a number of handheld tools like wrenches, pliers and screw drivers. A storage or garden shed can be a simple do it yourself project that would require only the minimal carpentry skills plus it can also be source of pride and joy as this is a creation of your own two hands. Here is a step-by-step guide that can give you an overview on how to build a shed. First step: Determine first how much storage space you need. Only after approval can you start building your roof trusses or at the least install your prefabricated ones. Once you have the trusses ready, you then need to mark the top part of your wall to determine the spacing where you will nail do them down. This will help ensure that everything is in line perfectly. If you don t have any books to help you out with your planning and learning basic carpentry, the internet is your savior. Here you can find a plethora of resources to help you in every step of the way. There are software programs to make the planning stages easier and also show you how to save on costs. Be sure to clean the area where you plan to build your brick shed. Clear it of any debris, roots, rocks and weeds. Also make sure that there are no pipes, cables, wires running underneath. Draw an outline of the dimensions of your brick shed, you can do this by using paint in a can, spraying the outline on the soil.