Flat Roof Overhang Framing

A flat roof has a slope of 1 8 per foot to 2 12.

Flat roof overhang framing.

Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. If you build a flat roof try to have it slope in multiple directions to drains or gutters. The last pieces to go in were nailing blocks above the ledger for the back of the return and at the bottom edge of the soffit for attaching the rake 20. If roof overhangs are desired add the length of each overhang to the overall length of the beams.

Depending on the span many different materials can frame a flat roof. Forming a roof overhang is different dependant on the style of roof and also on which edge of the roof is being considered. Think of a flattened hip roof. How do you frame a shed roof overhang.

Let s have a look at two different popular roof styles. In designing the overhanging part of a. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Slope a roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run.

Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. 2x framing wood joists timber framing laminated beams steel concrete or sips. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Mark cutting lines across the 10 inch all faces of each beam using a framing square.

A measurement of roof area that equals 100 square feet an area 10 feet by 10 feet. It can be framed like a floor system with horizontal framing members at 16 19 or 24 o c. Flat roof framing is relatively straightforward. The construction of a roof overhang is one important way that homeowners can protect the exterior of their home and preserve its value.

The same roof has a 4 12 or 1 3 pitch. In the direction of the roof span the roof member simply cantilevers past the wall plate. It is not ideal for snow or heavy rain but modern materials and proper drainage have helped. For gabled roofs the roof rafters extending beyond.

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