Hip And Valley Roof

For any roof slope expressed as x in 12 rise in run the hip and valley factor is determined by finding the square root of rise run 2.

Hip and valley roof. Main features hip and valley roof design first off the hip and valley roof design is an extremely basic direct and utilitarian design every single current trademark. This calculator will help you estimate hip roof parameters including rafters and roof area person outline anton schedule 2011 08 29 17 53 20 one of users asked us to create calculator which will help him estimate hip roof parameters like rafter s lengths roof rise and roof area. A hip roof on a varied plan h denotes a hip v denotes a valley a hip roof is self bracing requiring less diagonal bracing than a gable roof. Hip roofs are thus much more resistant to wind damage than gable roofs.

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. A dutch hip roof is a combination of both the hip roof and gable roof features. Such buildings may have more than four hips in the roofs and they form valleys at the inside corners. Hip roofs have no large flat or slab sided ends to catch wind and are inherently much more stable than gable roofs.

Divide the rise by the run the run is 12. 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. The hip and valley factor varies according to the slope of the roof as shown in the table below.