Framing A Shed Roof With A Valley

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.

Framing a shed roof with a valley.

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. That is except for the crowning glory the shed roof. 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.

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. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection.

In truth framing in the foundation and the walls adding doors and windows these are all relatively straightforward simple tasks. Add the length of the overhang beyond this mark and.