How To Frame A Gable Roof Valley

Two factors complicated the framing of this roof.

How to frame a gable roof valley.

Ceiling joists span between parallel walls for added. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. It extends from one. Framing the gable ends 1.

Position the square at the end of the rafter board with the tongue on your left and facing away from you. Nail 2 boards onto your walls as top plates. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. And the room below gets a cathedral ceiling.

Rafters are the sloping members that run from the roof ridge down to the tops of the walls. Determine the pitch you want for. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. 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. Add the length of the overhang beyond this mark and. A simple gable roof can be built entirely with common rafters. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.

How to frame join two gable roof lines ridges. Whether you re tying in new gable dormers or adding a chimney cricket during roof framing giving the valley jacks a place to land is an easy task with these step by step instructions. However a carpenter must also know how to lay out and cut hip valley and jack rafters. The ridge board is the horizontal framing member that defines the roofline in a gable roof.

The solution was to run one valley rafter on each side of the roof through to the main ridge. Add ceiling joists every 24 in 61 cm on your top plates. This is called a blind valley and it carries the shorter valley and the lower ridge. These rafters shown in figure 18 1 are required when framing complex roofs such as hip roofs and inter secting gable roofs for more on roof types see chapter 17 basic roof framing.