Split Pitch Hip Roof

Modern residential hip roof construction uses common pitch ratios in general.

Split pitch hip roof.

Explore framing complexities that result when roofs of two different pitches intersect. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. 3 12 and 6 12 is 4 5 17. Managing a hip roof with two different pitches.

The popular simple hip roof is a type of roof where all four sides feature symmetrical gentle slopes towards the walls with no gables or vertical sides to the roof. The defining feature of hip roofs is that the roof faces are almost always identical in pitch making them symmetrical from the center point. It will display the framing square usage for the slope angle of the hip rafter 27 50055 6 12. A hip roof or a hipped roof is a style of roofing that slopes downwards from all sides to the walls and hence has no vertical sides.

The most common hip roof pitch ratios fall between 4 12 and 6 12 although variations occur based on factors such as snow rain and wind conditions which is because steeper hip roof pitch ratios allow for less accumulations of snow and rain on the roof and lower ratios provide less wind resistance. Whilst it may sound ridiculous today they are used quite a lot these days to make a home look a bit more unique than others on the market. One thing that has become far more popular in recent years is the usage of hip roofs that have an alternative pitch at one side to the other. 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.

Learn more about off angle roof framing. The irregular split pitch hip i am attempting has a fixed main roof pitch of 8 12 and a subordinate pitch of 6 34 12. I was taught to split the different pitches thus coming up with the hip pitch. My question is do i add or subtract from the suborcinate sill plate height to equalize the fascia line and in what direction isthe subordinate plane shifted to equalize the overhangs.

Next click on the hip angles button and then click on the hip valley rafter slope angle text. This style of roofing became popular in the united states during the 18 th century in the early georgian period. The hip roof is the most commonly used roof style in north america after the gabled roof. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.