Open eaves with roof rafters right.
Flat roof eaves construction details.
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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.
Start with the rafter tails the main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.
Flat roofs are hard to replace.
Additional construction details drawings.
Before roof trusses the exposed rafter tails were an extension of the roof framing.
Flat roof construction for residential.
Eaves with over fascia ventilation set top of fascia board at correct level and fit ventilator in accordance with manufacturers recommendations.
Application methods adhered flat roofs ballasted flat roofs.
A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal.
Flat roof details and information relating to insulating a flat roof.
That is their functional purpose.
This could mean flat roofs may not raise the same red flags they used to.
Open eaves with trusses.
They also help to frame windows on upper stories.
Eaves courses of tiles should be at same pitch as general tiling.
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.
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Trusses streamline construction but it s important when using them to make sure the resulting eave works with the design of your building.
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.
If a sprocketted.
Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.
Back to flat roof construction.
But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.
I recently built a small outbuilding with a 6 in 12 pitch roof that offers a perfect example for showing the process i use to build eaves and rakes.
Details both in 2d and 3d to give a clear understanding.
However there is also an architectural purpose to them.
The modern flat roof.
Eaves form the overhang to distribute water clear of the walls.
An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.
They re simple in form and function and are a good example of the modernist principle of clean lines.
