Intersecting Roofs Framing

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.

Intersecting roofs framing.

Intersecting the intersecting roof consists of a gable and valley or hip and valley. Explore framing complexities that result when roofs of two different pitches intersect. The valley is formed where the two different sections of the roof meet generally at a 90 angle. Rafters are the sloping members that run from the roof ridge down to the tops of the walls.

These hip rafters run at a 45 angle from each corner of the building to the ridge. How to frame join two gable roof lines ridges. 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. Type of roof because it is braced by four hip rafters.

The ridge board is the horizontal framing member that defines the roofline in a gable roof. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. It extends from one.

Learn more about off angle roof framing. 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. 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. A jack rafteris a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both.

One approach is to order twice the framing lumber required and keep cutting hips and valleys until you get it right. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Thus there arehip jack raftersand valley jack rafters.