Flat Wood Roof Framing

Wood vs steel framing.

Flat wood roof framing.

Think of a flattened hip roof. However it is also possible to build larger roofs using steel framing. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Steel has a much higher cost than wood nearly twice as much for materials.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. The coating material for a slanted shed roof can be varied. 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. When framing a flat roof you will need to create a slight incline.

Slate metal tiles shingle and others. We re going to use 2x8 lumber to make the roof frame. Sizes of joists needed for flat roof construction. Old asbestos roofs are often replaced with flat roofs.

This will help you create a flat roof framing plan. A flat roof has a slope of 1 8 per foot to 2 12. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. Each item has a feature as well as the slanted roof angle.

It must be clearly equals to thirty five degrees. At the same time the folded roof may vary in the slant from eighteen degrees. It is not ideal for snow or heavy rain but modern materials and proper drainage have helped. If you build a flat roof try to have it slope in multiple directions to drains or gutters.

You can do this with a foam layer that exactly fits your roof. So any timber joists that are used need to be strong enough to support this weight. Now that the walls are rigid from the structural sheathing we re going to tackle the framing the roof. Some roofs actually slope in several directions ensuring optimal water runoff.

Flat roofs are always built at a slight incline at least 1 8 inch per foot.