Hip Roof For Irregular Building

A hip roof is a rectangular roof that slopes on all four sides.

Hip roof for irregular building. 2007 jlc on complex roof geometry. View the hip rafter roof plane alignment blog for more examples of the hip rafter plumb mark line shift on equal pitched roofs. Major side roof pitch major. Irregular hip geometry framing dxf auto generated dxf cad file of irregular hip geometry drawing each time script is run.

Major side roof span building width ridge thickness 2. Major side plan angle. Select the following information by using the drop downs to enter values in feet and inches. A hip and valley roof may be part of an irregular structure.

Irregular hips geometry based on billy dillon s article in the sept. To maintain a consistant ridge height in these situations the roof pitch must be adjusted. Dedicated to the art of carpentery roof framing. This type of roof is also called broken back hip and valley roof because the main hips are intconeected by the rafter of gables on one side and the rafter of the valley on the other.

1 pyramid hip roof roof base is a square roof sides are identical isosceles triangles 2 hip roof roof base is a rectangle two sides are identical isosceles triangles and two sides are identical trapeziums. Such buildings may have more than four hips in the roofs and they form valleys at the inside corners. Easy rafters does not calculate a complete four sided hip roof but rather calculates the common hip and jack rafters for one end of a hip roof. View the irregular hip roof valley rafter framing blog for how to layout the hip rafter backing depth mark and the hip rafter side cut mark for hip rafter side cut angles.

Overview although uncommon there are situations where architectural parameters require off angle hip and valley roof construction. We are the professionals for the future of the craft of carpentry. Here we consider two types of hipped roofs see picture. Minor side roof pitch minor.

If the extension length is half the extension length the 2 hips will meet at the existing wall and the roof will come to a peak with no ridge like half a pyramid. The roof extension length must be at least twice as long as its width or the 2 hips will meet before they reach the existing building wall. Each of the four sides of the roof slope downward there are no upright or vertical parts no gables etc on a hip roof. A hip roof design refers to a roof where the roof sides slope downwards from a middle peak with the rafter ends meeting the exterior walls of the house.