Shed roof a shed roof slopes in one direction only. easy rafters is designed to calculate shed roofs that are framed to a ledger board nailed against a vertical wall, not freestanding shed roofs supported by walls at both ends.. Our roof rafter calculator tools are handy for calculating the number of rafters needed, rafter length calculator, lineal feet of rafter, board feed in ridge and sub-facia,and the total board feet in the roof. rise and run means that a 6/12 pitch roof has 6" of rise (vertical) for each foot of run (horizontal).. For the sturdiest shed, plan on building the platform with treated 2-by-6 posts, 24 inches apart, or standard 2-by-4 studs for a lighter-duty shed. calculate by area and add enough 3/4-inch, cdx plywood to cover the platform. this type of plywood has allowed defects, such as knots and patches, but it's strong and reliable..
You can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof. these roof types have the basic elements of all of the other roofs and make it a perfect place to begin the discussion. the main elements of the gable roof layout are the ridge beam, common rafters, and wall plate.. The building or shed calculator includes many of the basic equations for building a shed, pole barn or other framed building from bottom to top including the footers, foundation, slab, floors, walls/rooms and roof.. Shed roof framing process explained – step by step instructions. framing a shed roof is similar to framing a wall. the fascia board is the bottom plate and the ridge board the top plate. keep it simple and remember; it’s a shed! stick to the basics of simplified design and use dimensions that don’t generate waste..