When completely dry, lay out your bricks. Lay the bricks around the base and when you are finished on all four sides, lay down some mortar and place the next layer. Make sure that the second layer of brick is centered on the top of where two bricks on the lower layer meet. This is so that your brick wall will be stable. Depending on your choice as roof material, you can now finish your roof placing your chosen material as per manufacturer s instructions. Safety is always the key, as you would be working on the roof, there is a chance that you may fall off. If possible, get someone to work with you and make sure that when using ladders or other tools for elevation that it is secure. Not only are they widely available, they don t really cost that much, you might even get them for free. Wood pallets can be found most anywhere. Any commercial buildings, groceries and supermarkets would just have them lying around, all you have to do is talk to them and have something to haul the pallets home. Any aspiring Do-It-Yourselfer will find this a very enriching experience. But before anything else, to avoid excessive time consumption and errors, it s essential that you have a plan first. Keep in mind what you need to do and follow your plan to the T. This will help you save ob costs and on your time and effort as well. You should also choose only quality shed roofing materials to ensure that they will be able to guarantee you that they will be able to withstand any harsh weather, plus many of these quality materials have warranties, like the 20 year shingles. With any structure, the roof is the most critical part, it should be able to withstand a heavy load, protect against the sun, rain and winds, and equally important, look good as well. The surface of the ramp whether it may be the surface of the wood, steel or concrete, rain and other factors may cause your ramp to become slippery thus increasing the risk of accidents. To prevent this, using rubberized flooring or anti slip paint can help decrease this risk. Galvanized wire or fabricated metal sheets with smooth spikes can also help increase the slip resistance of your ramp.