How To Build A Hip Roof With Different Pitches

In a hip roof with equal pitches the unit run of a hip or valley rafter is 17 inches for every 12 inches of run in the main roof.

How to build a hip roof with different pitches. 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. But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons. For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17. To build a hip roof start by measuring the width and height of the building you re putting the roof on.

The hip roof is the most commonly used roof style in north america after the gabled roof. 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. How to use the hip roof framing calculator. The most common type of a hip roof.

The pitch of the unequal hip rafter can be expressed in relation to either the main roof or the secondary roof. It has a polygon on two sides and a triangle on two sides. Learn more about off angle roof framing. Select the following information by using the drop downs to enter values in feet and inches.

But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons. 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. Use separate hip roofs on homes with different wings. Similar to a cross gable roof.

Explore framing complexities that result when roofs of two different pitches intersect. For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17. Next once you know the lengths of the rafters cut some wooden planks to size and make birdsmouth cuts in each one so. 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.

Can a hip roof have different pitches. This style of roofing became popular in the united states during the 18 th century in the early georgian period. The sides come together at the top to form a simple ridge. Unit run of the hip.

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