Flat Roof Framing Nz

This is a completion video of a flat roof framing.

Flat roof framing nz.

See more ideas about flat roof roof roof construction. 3 inch rise per 12 run is a 3 12 pitch roof. Vertical rise over horizontal run. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Skillion or exposed rafter roofs were framed up on site. When framing a flat roof you will need to create a slight incline. 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. Some roofs actually slope in several directions ensuring optimal water runoff.

Roof framing the roof could be constructed on or off site. Flat roofs are always built at a slight incline at least 1 8 inch per foot. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. 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.

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 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. Of course you don t need to live in a modern house to deal with a flat roof. 4 12 through 9 12 are the most common pitches.

May 9 2017 explore bernice ohene s board flat roof construction on pinterest. 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. Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. This will help you create a flat roof framing plan.