Flat Roof Wood Framing

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.

Flat roof wood framing.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. If you build a flat roof try to have it slope in multiple directions to drains or gutters. The rise or height of the roof at its peak is the altitude of the triangle. Flat roofs are always built at a slight incline at least 1 8 inch per foot.

Of course you don t need to live in a modern house to deal with a flat roof. A flat roof has a slope of 1 8 per foot to 2 12. It can be framed like a floor system with horizontal framing members at 16 19 or 24 o c. When framing a flat roof you will need to create a slight incline.

Post and beam framing 42 roof slopes 44 flat roofs 45 pitched roofs 45 valleys 48 dormers 48 overhangs 48 ridge beam roof details 49 lightweight wood roof trusses 49 chapter 8 wall sheathing 53 types of sheathing 53 corner bracing 54 installation of sheathing 54 chapter 9 roof sheathing 58 lumber sheathing 58. This will provide the surface for you to attach the decking. Flat roofs are hard to replace. This will help you create a flat roof framing plan.

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. And the line length measurement from the roof peak to the building wall is the hypotenuse. The run or half the building span is the base of the triangle. You can do this with a foam layer that exactly fits your roof.

Think of a flattened hip roof. Some roofs actually slope in several directions ensuring optimal water runoff. Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface. Converting a flat roof to pitched.

This could mean flat roofs may not raise the same red flags they used to. Detailed flat to pitched roof conversion costs include hourly rates which tend to be higher in addition to considerations like complexity equipment and material prices. Flat roof framing is relatively straightforward. Converting a flat roof to a pitched roof is essentially framing a new roof for an average of 6 to 9 per square foot.

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. It is not ideal for snow or heavy rain but modern materials and proper drainage have helped.