So any timber joists that are used need to be strong enough to support this weight.
Construction flat roof detail drawing.
Flat roof details and information relating to insulating a flat roof.
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.
A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
Old asbestos roofs are often replaced with flat roofs.
Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls.
Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.
Additional construction details drawings.
See more ideas about flat roof roof construction architecture details.
Flat roof types.
As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.
Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.
But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Details both in 2d and 3d to give a clear understanding.
Sizes of joists needed for flat roof construction.
It must provide adequate protection against the elements keeping the buildings structure and interior dry.
As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.
A flat roof must be strong durable and stable throughout its lifetime.
Aug 29 2016 explore johan marais s board flat roof construction on pinterest.
Of course you don t need to live in a modern house to deal with a flat roof.
To build a flat roof you ll want to have a thorough understanding of how the process of constructing the flat roof works and the different methods available.
The construction of the flat roof is similar to that of the timber upper floor.
This could mean flat roofs may not raise the same red flags they used to.
Forms of flat roof construction encountered less frequently in practice impermeable concrete glass and metal are also examined here these roofs may satisfy certain architectural or.