Flat Roof Framing Nz

Vertical rise over horizontal run.

Flat roof framing nz.

Off site roof framing consisted of prefabricated timber trusses while on site roof framing consisted of a framework of rafters ridgeboard or a ridge beam underpurlins and underpurlin struts and collar ties and cleats. This will help you create a flat roof framing plan. This is a completion video of a flat roof framing. This is a completion video of a flat roof framing.

In the u s it is defined by the rise in inches to a 12 run. Of course you don t need to live in a modern house to deal with a flat roof. The rafters of a hipped roof which span between the ridge board hip rafter or valley rafter and the wall framing top plate may be common hip valley and jack rafters. Contemporary designers frequently aim to produce the same clear and simplified forms that appeared at the beginning of the 20th century but are now free to use a wide range of new materials and construction techniques that reflect present day technology.

Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. Roof framing hip and gable roofs the roof structure was typically a nailed timber roof frame constructed on site in either a hipped or gabled configuration. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. May 9 2017 explore bernice ohene s board flat roof construction on pinterest.

Some roofs actually slope in several directions ensuring optimal water runoff. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. 4 12 through 9 12 are the most common pitches.

3 inch rise per 12 run is a 3 12 pitch roof. When framing a flat roof you will need to create a slight incline. See more ideas about flat roof roof roof construction. Skillion or exposed rafter roofs were framed up on site.