Frame the top side wall of the lean to roof with 2x4 lumber.
How far apart are roof joists on 10x10 lean to.
Measure from the ends.
Cut the joists to the intended width of your shed.
Rafter and roof joist spacing is only one part of a complex roof design that works together to form a structure that meets building codes and can hold up the weight of the roof and roof load.
A roof joist is always spaced no more than 16 inches apart from another roof joist.
You can simplify the construction of your lean to roof even more by building your own trusses.
If the roof is not completely square you can decrease the space between joists but never increase the space.
A lean to roof also known as a shed roof is the simplest roofing design and the simplest to build because the roofing material usually covers only a single rectangular plane.
Builders aren t bound by standard rafter spacing measurements.
Then use the circular saw to cut a 1 by 3 5 inches 2 5 cm 8 9 cm notch 10 25 inches 26 0 cm from the top of each rafter.