Flat Roof Overhang Framing Details

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.

Flat roof overhang framing details.

2x framing wood joists timber framing laminated beams steel concrete or sips. But are they really necessary. Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. If you must use a flat soffit stop the flat portion of the soffit at the wall to align with the corner board.

The size of the roof overhang you choose depends largely on the style of your shed s roof. It can be framed like a floor system with horizontal framing members at 16 19 or 24 o c. 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. The main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.

Eaves are located at the down slope edge of a sloped roof and serve as the transition between the roof and fascia wall. There is no reason to use a pork chop eave. An eave typically has a metal edge flashing and gutter that are attached to a wood fascia trim board. In designing the overhanging part of a.

Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Flat soffit stopping at end wall. Flat roof framing is relatively straightforward. If you are not able to use an angled soffit use one of the two flat soffit details illustrated below.

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. This is a detail to avoid at all costs. Depending on the span many different materials can frame a flat roof. They can also include certain architectural features that make overhangs more than just functional parts of the home.

With a flat shed roof the roof simply extends past the wall plate to provide an overhang. For gabled roofs the roof rafters extending beyond. Typical design and construction eaves. Roof overhangs at the eaves and rakes protect the walls below from rain and sun.