Irregular Hip Roof

A regular hip has equal slopes on all sides while an irregular hip has different slopes on the main roof and hip end roof.

Irregular hip roof.

A hip roof is a rectangular roof that slopes on all four sides. Framing angle hip roof drawings. Most roof eave angle corners are at 90. This type of roof provides more options for extending the loft and installing windows allowing a greater amount of natural light into the room.

The quadrilateral in plan bounded by the eaves major side common run and minor side common run may be circumscribed. 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. Such buildings may have more than four hips in the roofs and they form valleys at the inside corners. If the hip is not backed this is the amount to lower the seatcut of the hip to have the corner edge of the hip plane in with the sheathing common rafter ll major side majll majspan majllratio.

Next click on the hip angles button and then click on the hip valley rafter slope angle text. It will display the framing square usage for the slope angle of the hip rafter 27 50055 6 12. Saved by norcal a s. For irregular or bastard hip roofs the roof eave angle can be between 35 and 150 you ll get an unconstructable error message if the roof is unconstructable with the current input parameters.

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. Select the following information by using the drop downs to enter values in feet and inches. A half hipped roof is almost identical to a simple hip roof design but instead the two sides of the roof are shortened creating eaves at the either side of the house. Roof eave angle this is the corner angle of the building.

Solution of irregular hip roof plan angle formula an angle inscribed in a semi circle is a right angle. A quadrilateral inscribed in a circle has supplementary opposite angles. 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.