Roof Hip And Valley Of Butterfly Roof

The complexity of the design makes the butterfly roof more expensive.

Roof hip and valley of butterfly roof.

The butterfly roof lends itself to an environmentally friendly home design as pv solar panels water collection systems and natural light can all be easily incorporated. A hip or hipped roof slopes down to the eaves on all four sides forming a horizontal ridge a roofer will usually put a vent along the top of this ridge. The hip and valley factor varies according to the slope of the roof as shown in the table below. Not only are the upfront costs higher than with conventional roofs but the maintenance will also.

A butterfly roof is a form of roof characterised by an inversion of a standard roof form with two roof surfaces sloping down from opposing edges to a valley near the middle of the roof. Although a hip roof is not gabled it may have dormers or connecting wings with gables. The roof type in question has a number of different names including inverted pitch roof butterfly roof and even london roof. Hip and valley roof the hip and valley roof is similar to the gable and valley except the roof ends slope inward.

Divide the rise by the run the run is 12. Butterfly roofs are commonly associated in the us with 20th century mid century modern architecture. It is as one of its names suggests a pitched roof but it generally cannot be seen from ground level as it is concealed behind a parapet wall. You can combine gable and hip designs with a cross footprint home as well.

Find the square root of the result. It is so called because its shape resembles a butterfly s wings. 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.