Framing Roof Valley Rafters

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition.

Framing roof valley rafters.

In a rafter roof all of these components are required to provide a stable roof. Http amzn to 2sfscbz swanson speed square http amzn to 2svgnvt 16 x 24 framing square starrett http amzn to 2sflm5v milwaukee circular saw http amzn. Cuts are given with framing square layout and degree settings for cuts with skilsaws and with degree settings for compound miter or radial arm saws. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof.

The rafters carry the applied loads to the exterior walls. The rafter book works. Getting the rafters right. A valley rafter is built similar to other rafters but it runs from a wall plate to the ridge along the valley of a roof.

And the room below gets a cathedral ceiling. Used by carpenters union apprenticeship programs from hawaii to new york. You can build a valley rafter very simply. Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties.

Framing a roof valley do the math on a calculator so that you can concentrate on what s important. The function of each component is. Systems are designed ahead of time and optimized to lower cost while adding value to the framing process. The solution was to run one valley rafter on each side of the roof through to the main ridge.

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. Two factors complicated the framing of this roof. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. California trusframe llc components and latest modern technology are an efficient reliable solution for today s builder.

Become a faster more accurate and more efficient roof framer with the rafter book. Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other. One pair of gables is lower than the other. Framing a dramatic dormer if doghouse dormers or shed dormers aren t dressy enough a dormers can add an exciting design note and they re easier to seal against the elements.

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. This is called a blind valley and it carries the shorter valley and the lower ridge.