How To Read Roof Framing Plan

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How to read roof framing plan. Ridge board ridge beam. An e permit issued to replace damaged wood framing in residential buildings and structures covers the entire repair to the damaged wood framing including all floor wall ceiling and roof coverings. Transfers the loadof the roof through the raftersto walls below. For information on size and spacing of rafters ceiling joists or floor joists refer to handout.

Building plans using the floor foundation and or roof framing plans see figure 2. Step 1 read the cover sheet. Ridge horizontal ridge length hip valley rafters have a different factor. A separate permit for drywall stucco or roofing is not required in the area of the repair to the damaged wood framing.

Add all the common and jack rafter horizontal run lengths them multiply by the factor. The point at which all the raftersare attached to. Calculate the ratio of the rafters horizontal run to its slope length. Plan contributor names eames charles architect saarinen eero 1910 1961 architect created published.

The roof plan shows the rafter direction and spacing but not the rafter length. Generally most modern building framing for homes utilize the platform framing technique. One of the most important parts of building a sturdy roof is the initial roof framing plan. Ridge board v s beam.

The frame is built up upon a concrete foundation. These plans contain important details but we will cover those details in a future blog post. 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. This will contain the project name the architect s name address and contact information the project location and the date.

A base platform is built and the subfloor walls and ceilings are built up from this starting point terminating of course with the roof of the building. To contact reference staff in the prints and photographs reading room please use our ask a librarian service or call the reading room between 8 30 and 5 00 at 202 707 6394 and press 3. Roof and floor framing span tables. These pages will include an index of plan sheets and sometimes their contents.

In order to do roof framing properly it is important to understand the unique shape and dimensions of your roof since these will greatly impact the geometry of the roof frame. There are many additional plans that supplement architectural plans. A roofing project for example will have symbols for items located on a roof such as hvac units or skylights while an electrical plan will have symbols for outlets and conduits. Ridge beam sits below the rafters.

In conclusion if you are in the construction industry knowing how to read construction plans is an absolute must to do your job. A ridge board is a horizontal member of the roof frame. Parts of a roof. All framing sections should include enlarged views that detail roof and floor connections as well as lumber and footing sizes.