Flat Roof Overhang Framing Details

Depending on the span many different materials can frame a flat roof.

Flat roof overhang framing details.

The main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall. To determine exactly what the rafter tail will look like i always make a full size drawing on a scrap of plywood of all the eaves elements including framing and finish materials see illustration above. With composite siding such as boral s truexterior siding over a ventilated rain screen and with properly executed flashing at the windows and doors the walls on the fhb house will be able to handle rain just fine. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage.

Roof overhangs at the eaves and rakes protect the walls below from rain and sun. If you must use a flat soffit stop the flat portion of the soffit at the wall to align with the corner board. But are they really necessary. For gabled roofs the roof rafters extending beyond.

Flat roof framing is relatively straightforward. This is a detail to avoid at all costs. It can be framed like a floor system with horizontal framing members at 16 19 or 24 o c. In designing the overhanging part of a.

If you are not able to use an angled soffit use one of the two flat soffit details illustrated below. Eaves are located at the down slope edge of a sloped roof and serve as the transition between the roof and fascia wall. They can also include certain architectural features that make overhangs more than just functional parts of the home. Flat soffit stopping at end wall.

There is no reason to use a pork chop eave. Contemporary designers frequently aim to produce the same clear and simplified forms that appeared at the beginning of the 20th century but are now free to use a wide range of new materials and construction techniques that reflect present day technology. Overhangs are extensions of the roof beyond the exterior wall i e the. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

Typical design and construction eaves. Details for conventional wood frame construction the first approach to achieving a strong durable struc ture involving economical use of materials is to follow a. An eave typically has a metal edge flashing and gutter that are attached to a wood fascia trim board. Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture.