Framing Roof Valley Rafters

And the room below gets a cathedral ceiling.

Framing roof valley rafters.

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. California trusframe llc components and latest modern technology are an efficient reliable solution for today s builder. 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. Framing a roof valley do the math on a calculator so that you can concentrate on what s important.

Getting the rafters right. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. Start by cutting the angles of the rafter s tail ends as well as the vertical cuts that are needed at the rafter tails. The rafter book works.

The solution was to run one valley rafter on each side of the roof through to the main ridge. The rafters carry the applied loads to the exterior walls. One pair of gables is lower than the other. Two factors complicated the framing of this roof.

This is called a blind valley and it carries the shorter valley and the lower ridge. 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. 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. The function of each component is.

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. Systems are designed ahead of time and optimized to lower cost while adding value to the framing process. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof. Connect a flat roof to a sloped or pitched roof with a ledger board.

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties. Used by carpenters union apprenticeship programs from hawaii to new york. Become a faster more accurate and more efficient roof framer with the rafter book.

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. In a rafter roof all of these components are required to provide a stable roof.