Flat Roof Overhang Framing Details

The size of the roof overhang you choose depends largely on the style of your shed s roof.

Flat roof overhang framing details.

Depending on the span many different materials can frame a flat roof. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. In designing the overhanging part of a. There is no reason to use a pork chop eave.

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. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. 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. For gabled roofs the roof rafters extending beyond.

If you must use a flat soffit stop the flat portion of the soffit at the wall to align with the corner board. They can also include certain architectural features that make overhangs more than just functional parts of the home. 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. And the line length measurement from the roof peak to the building wall is the hypotenuse.

It can be framed like a floor system with horizontal framing members at 16 19 or 24 o c. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. The rise or height of the roof at its peak is the altitude of the triangle. This is a detail to avoid at all costs.

2x framing wood joists timber framing laminated beams steel concrete or sips. Flat soffit stopping at end wall. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. The construction of a roof overhang is one important way that homeowners can protect the exterior of their home and preserve its value.

Of course you don t need to live in a modern house to deal with a flat roof. If you are not able to use an angled soffit use one of the two flat soffit details illustrated below. Flat roof framing is relatively straightforward.