Flat Roof Framing Nz

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.

Flat roof framing nz.

Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. 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. Skillion or exposed rafter roofs were framed up on site. Some roofs actually slope in several directions ensuring optimal water runoff.

May 9 2017 explore bernice ohene s board flat roof construction on pinterest. See more ideas about flat roof roof roof construction. Roof framing the roof could be constructed on or off site. 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.

Flat roofs are always built at a slight incline at least 1 8 inch per foot. When framing a flat roof you will need to create a slight incline. Enclosed flat roof framing and associated roof members h1 2 radiata pine douglas fir enclosed skillion roof framing and associated roof members h1 2 radiata pine douglas fir valley boards and boards supporting flashings for box gutters roof penetrations and upstands to roof decks h1 2 radiata pine douglas fir. 4 12 through 9 12 are the most common pitches.

This is a completion video of a flat roof framing. This is a completion video of a flat roof framing. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. 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.

Vertical rise over horizontal run. Of course you don t need to live in a modern house to deal with a flat roof. In the u s it is defined by the rise in inches to a 12 run. 3 inch rise per 12 run is a 3 12 pitch roof.