Intersecting Roofs Framing
A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.
Intersecting roofs framing. Position the square at the end of the rafter board with the tongue on your left and facing away from you. It extends from one. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. Thus there arehip jack raftersand valley jack rafters.
One approach is to order twice the framing lumber required and keep cutting hips and valleys until you get it right. The valley is formed where the two different sections of the roof meet generally at a 90 angle. A jack rafteris a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both. These hip rafters run at a 45 angle from each corner of the building to the ridge.
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. Add the length of the overhang beyond this mark and. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. 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. Explore framing complexities that result when roofs of two different pitches intersect. Intersecting the intersecting roof consists of a gable and valley or hip and valley. 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.
How to frame join two gable roof lines ridges. 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. Learn more about off angle roof framing. Rafters are the sloping members that run from the roof ridge down to the tops of the walls.