Flat Roof Eaves Construction Details

Eaves with over fascia ventilation set top of fascia board at correct level and fit ventilator in accordance with manufacturers recommendations.

Flat roof eaves construction details. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. The modern flat roof. The following illustrations and text explain the common design details using eaves and verges that can occur on refurbishment and new work. Application methods adhered flat roofs ballasted flat roofs.

Details both in 2d and 3d to give a clear understanding. However there is also an architectural purpose to them. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building. This could mean flat roofs may not raise the same red flags they used to.

That is their functional purpose. They also help to frame windows on upper stories. Open eaves with roof rafters right. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.

Trusses streamline construction but it s important when using them to make sure the resulting eave works with the design of your building. Open eaves with trusses. 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. 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 form the overhang to distribute water clear of the walls. Additional construction details drawings. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the. 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.

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 roof details and information relating to insulating a flat roof. Flat roofs are hard to replace. They re simple in form and function and are a good example of the modernist principle of clean lines.

Back to flat roof construction. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. Open eaves with roof rafters. Before roof trusses the exposed rafter tails were an extension of the roof framing.

If a sprocketted. Eaves courses of tiles should be at same pitch as general tiling. Please fill in your details below to access our full list of standard details for sika sarnafils range of systems.