Framing A Shed Roof With A Valley

In truth framing in the foundation and the walls adding doors and windows these are all relatively straightforward simple tasks.

Framing a shed roof with a valley.

The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. For many people the idea of having to do the shed roof framing is a little bit on the scary side. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes.

Add the length of the overhang beyond this mark and. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Use a framing square to help lay out the notch based on the slope of the roof.