Intersecting Roofs Framing

A jack rafteris a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.

Intersecting roofs framing.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. How to frame join two gable roof lines ridges. Intersecting the intersecting roof consists of a gable and valley or hip and valley. A hip 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.

This type of roof is often seen in buildings with a more complex layout for example homes with an attached garage. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. Type of roof because it is braced by four hip rafters. After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12.

Rafters are the sloping members that run from the roof ridge down to the tops of the walls. One approach is to order twice the framing lumber required and keep cutting hips and valleys until you get it right. It extends from one. That bid you submitted for the job with the adjoining unequally pitched roofs gets accepted and you ve got to figure out a way to frame it.

These hip rafters run at a 45 angle from each corner of the building to the ridge. The valley is formed where the two different sections of the roof meet generally at a 90 angle. Learn more about off angle roof framing. Thus there arehip jack raftersand valley jack rafters.

The ridge board is the horizontal framing member that defines the roofline in a gable roof. We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. A cross gable roof is a design that consists of two or more gable roof ridges that intersect at an angle most commonly perpendicular to one another.