Hip And Valley Roof Design And Structure

A hip rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect.

Hip and valley roof design and structure.

See more ideas about hip roof design hip roof roof design. Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. A valley rafterforms a depression in the roof instead of a hip. Like the hip rafter it extends diago nally from the top plate to the ridge.

Nov 24 2015 hip and valley roof design google search. Some hip roof designs follow pyramid shapes whereas others may have more symmetrical structures. It s also known as a cross gable roof since the home has a cross footprint. 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.

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. Divide the rise by the run the run is 12. Each of the four sides of the roof slope downward there are no upright or vertical parts no gables etc on a hip roof. Hip roofs can be designed over square shaped buildings as well as on rectangular ones.

A hip and valley roof may be part of an irregular structure. The hip and valley factor varies according to the slope of the roof as shown in the table below. Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.

Pyramid hip roof hip and valley roof design levitra 20 mg a pyramid hip roof corresponds an easy hip roof however the wall surfaces are square as opposed to rectangle shaped making the form of the structure is roof incline involved a factor in a pyramid form on top. Such buildings may have more than four hips in the roofs and they form valleys at the inside corners. The design of hip roofs can follow triangular sides as well as a combination of triangular and trapezoidal sides.