Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture.
Flat roof framing nz.
Skillion or exposed rafter roofs were framed up on site.
See more ideas about flat roof roof roof construction.
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.
Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is.
Some roofs actually slope in several directions ensuring optimal water runoff.
In the u s it is defined by the rise in inches to a 12 run.
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.
Of course you don t need to live in a modern house to deal with a flat roof.
Flat roofs are always built at a slight incline at least 1 8 inch per foot.
This will help you create a flat roof framing plan.
Roof framing the roof could be constructed on or off site.
3 inch rise per 12 run is a 3 12 pitch roof.
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.
4 12 through 9 12 are the most common pitches.
This is a completion video of a flat roof framing.
Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.
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.
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.
This is a completion video of a flat roof framing.
Vertical rise over horizontal run.