Framing Roof Valley Rafters

The roof rafters provide integral structural support to the roof.

Framing roof valley rafters.

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. 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. 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 total rise of hip and valley rafters is.

Thus there are hip jack rafters and valley jack rafters. 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. Blind valleys simplify framing. To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.

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. Therefore the pitch of the valley rafter is 12 in 17. 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. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.

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.