Roof Framing Valley Rafter

The roof rafters provide integral structural support to the roof.

Roof framing valley rafter.

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. 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. 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. Valley rafter a no math approach to valley plates 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.

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Therefore the pitch of the valley rafter is 12 in 17. The total rise of hip and valley rafters is. You can build a valley rafter very simply.

This article will discuss a gable roof without valleys or dormers because it s the most common and the easiest for a first time builder to tackle. 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. 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. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.