Framing Hip Roof With Different Pitches

A dutch hip roof is a combination of both the hip roof and gable roof features.

Framing hip roof with different pitches.

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. As compared to global roof framing hip roof framing is more difficult because it consists of four sides with variable lengths instead of two sides. Place your square on the side of the hip rafter that will face the main roof using the hip pitch for that roof 8 155 8. 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.

A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. Explore framing complexities that result when roofs of two different pitches intersect. The hip roof framing calculator returns the value of the main rafter the side rafter the length of the hip the height of the knee wall and the lengths of the jack rafters. The ridge board is centered here in terms of length as well as width.

It is sometimes also referred to as a dutch gable roof precisely because it contains both roof style features. Blind valleys simplify framing. Measure distance a along the unit run and mark. This is the line of backing.

Modern residential hip roof construction uses common pitch ratios in general. Select the following information by using the drop downs to enter values in feet and inches. Discover 5 types of hip roofs plus 22 examples of many houses that incorporate all the different hipped roof styles. Hip roofs can be generally framed into a large variety of sizes that can be t or l shaped and may need a more complex frame.

The gable portion of a dutch hip roof is usually placed at the end of the roof ridge and sits on top of the plane of the hip roof. From simple to very complex computer generated hip roof designs. Using a pitch measuring tool that i d made we also determined that the exact pitch of the shed roof was 3 1 2 in 12.