Roof Intersection Problem Gable Creates Valleys

A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.

Roof intersection problem gable creates valleys.

Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. Id like the two roofs to appear as if each box and roof was created separately and th. Learn more about off angle roof framing. Fundamentally folks are seeking how to tie a shed roof to a gable roof hence you know this is handy as well for yourself.

Explore framing complexities that result when roofs of two different pitches intersect. Potomac md home home with a screened porch. The problems with this approach are two fold. The gable roof on the porch addition was framed with a dropped structural ridge supporting the common rafters above.

After struggling with hip rafters and talking to an old timer or two novice framers discover that joining two roofs isn t that tough for hips and valleys you just cut all your bevels at 45 degrees and use 17 instead of 12 for the run on the framing square. The diagonal rafter that runs from the intersection of the ridges down to the. It creates a bad roof artifact at the corner. The gables over the set back porches guarantee that snow accumulates up against the siding they ve combined gable vents with ridge vents short circuiting the soffit venting paths the double gable dormer valley is incapable of soffit to ridge venting on the valley side pitches where the dormer ridge meets the upper roof the ridge vent is guaranteed to be buried for months in sloughing snow from the higher roof probably leaks drips.

As i understand it within archicad roof vertices are editable in the same way as a 2d polygon which would be very helpful here. Valley rafters and valley jacks where two gable roof lines meet the intersection forms inside corners called valleys. Roof intersection problem gable roof creates valleys. Porch roof you may need to tie the house roof and porch roof together.

Then use gable lines to create the front gables and specify the gable roof pitch on those lines in my case 12 12. Hi i have a problem with the automated roof creation in home designer architectural 2015. The eye of artful design. Again choosing the easy way out we opted to build blind valleys aka california valleys where one intersecting roof is built on top of the other.

Also different architectural styles will use the same type of roof.