Roof Framing Plan For Flat Roof

Ridge board ridge beam.

Roof framing plan for flat roof.

Parts of a roof. Ridge board v s beam. Ridge beam sits below the rafters. Roof framing simply describes how a group of rafters and beams are fitted or joined together in order to provide support for the roof covering.

One of the most important parts of building a sturdy roof is the initial roof framing plan. The point at which all the raftersare attached to. Add the plywood once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing. The 8 step process for diy installation step 1.

02 filling the 2x10 rafter bays with a nice blanket of insulation. A roof framing plan shows the size and direction of the construction 425 figure 20 1 the shape of the roof can play an important role in the design of the structure as seen in this home by the architect robert roloson. From there the flat roof system you choose will determine the materials you apply. For an existing addition on a circa 1912 residence in newport ri part i.

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. A flat roof has a slope of 1 8 per foot to 2 12. Of course you don t need to live in a modern house to deal with a flat roof. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Re framing a flat roof in preparation for a new rubber membrane. Supported by lally columns. Think of a flattened hip roof.

Frame the roof one important and perhaps not so obvious fact is that a flat roof is not actually flat. 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 aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Transfers the loadof the roof through the raftersto walls below. The run or half the building span is the base of the triangle. Part iii you are here 01 thats me hauling the r 38 insulation up the ladder. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.