You can build the walls on any flat surface, but the shed platform is ideal. Snap chalk lines on the plywood deck, 3-1/2 in. from the edges of the platform, to indicate the inside edge of the walls. Measure to make sure the lines are parallel and 89 in. apart. Then chalk a line down the center (Photo 1). You’ll use this line to make sure the angled top plates meet in the center.
Siding panels made from oriented strand board cost far less than solid wood or plywood panels, and come preprimed, saving you money and labor. Since the panels are also structural, you don’t need an additional layer of sheathing under the siding. You’ll save about $500 over the cost of cedar plywood siding. It’s the perfect material for constructing inexpensive storage sheds.
Listen, about the My Shed Plans Scam… all you can say is haters are gonna hate. There are way too many people on the web going about trying to ruin things for others. It probably makes them feel bigger than the basement of their parents’ house allows. In regards to your My Shed Plans product, it looks like a great deal. 12,000 shed plans, all in one package? Seriously, is there any plan that’s missing? Build the framework for all four walls. To account for the fact that the front and back walls are different from each other (due to the doorframe in the front) and the side walls must both be sloped (to prevent rain from collecting on the roof), each of these will have to be tackled somewhat differently. It’s easiest to construct the back first, the front second, and the two sides last, as shown in the numbered image below. See How to Frame a Wall for more information before you read the instructions below.