Flat Roof Eaves Construction Details

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Flat roof eaves construction details.

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. Flat roofs are hard to replace. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.

Eaves courses of tiles should be at same pitch as general tiling. Flat roof construction for residential. 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. Eaves form the overhang to distribute water clear of the walls.

Modern architecture has traditionally been characterized by flat roofs flat roofs create long horizontal planes reminiscent of the broad horizon line seen often in nature. Before roof trusses the exposed rafter tails were an extension of the roof framing. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. The modern flat roof.

Please fill in your details below to access our full list of standard details for sika sarnafils range of systems. Flat roof details and information relating to insulating a flat roof. This could mean flat roofs may not raise the same red flags they used to. However there is also an architectural purpose to them.

Additional construction details drawings. 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. Eaves with over fascia ventilation set top of fascia board at correct level and fit ventilator in accordance with manufacturers recommendations. Open eaves with roof rafters.

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. Open eaves with roof rafters right. Open eaves with trusses.

They re simple in form and function and are a good example of the modernist principle of clean lines. Details both in 2d and 3d to give a clear understanding. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the. Application methods adhered flat roofs ballasted flat roofs.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. 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. That is their functional purpose.