Framing A Shed Roof With A Valley

That is except for the crowning glory the shed roof.

Framing a shed roof with a valley.

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. Use a framing square to help lay out the notch based on the slope of the roof. 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.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Add the length of the overhang beyond this mark and. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. In truth framing in the foundation and the walls adding doors and windows these are all relatively straightforward simple tasks.

A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. 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.