Roof Framing Valley Rafter

The first cut that i make on both the common rafters and the valley rafter is the plumb cut where the rafter will meet the ridge board.

Roof framing valley rafter.

The total rise of hip and valley rafters is. After you determine the rise span run line length and pitch the next step is to lay out the rafters or mark the cuts on a pattern rafter to create the roof. You can build a valley rafter very simply. Thus there are hip jack rafters and valley jack rafters.

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. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. 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.

The roof rafters provide integral structural support to the roof. Rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both. Start by cutting the angles of the rafter s tail ends as well as the vertical cuts that are needed at the rafter tails.