Porch Roof 2x6 Rafters

Patio roof maximum beam rafter spans.

Porch roof 2x6 rafters.

Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. We show you how both a typical rafter style porch and truss roof area constructed. It is always better to have a large rafter rather than be concerned with a sagging roof. Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

Porch roof rafter length rafter plate location. Span calculator for wood joists and rafters also available for the android os. If this calculator from the american wood council is to be believed and if my assumptions about your materials and load are correct the max span is about 10ft for a pine 2x6. Also available for the android os.

Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. A square of shingles cover 100 square feet. For more information see our disclosures here.

This table agrees that 10 12ft is the max span for typical grade lumber at typical spacings for a 5psf dead load. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. This post may contain affiliate links. Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.

Building a porch roof requires basic carpentry and porch roof framing knowledge. In the example above you will need 6 squares to cover a porch roof that is 534 square feet. If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board. Ok now you want to install rafters.