Patio Roof Beam Span Calculator

The smallest beams for patio covers are typically 4 by 6.

Patio roof beam span calculator.

Most interior beams need to include the roof load. Multiplied by 40 pounds per square foot equals 8 000 pounds. Also available for the android os. Patio roof beam calculator september 10 2016 by arfan leave a comment deck beams and posts beam spans post sizes by alter how to attach a patio roof an existing house diy pj roof beam span table newgroun co a to residential decks and patios city of saskatoon roof beam span table newgroun co.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Patio roof maximum beam rafter spans. If an example roof is 10 feet by 20 feet the total area is 200 square feet. According to our beam span chart resource the span of a beam is dependent on a few variables.

This post may contain affiliate links. A 4 by 10 can usually span up to 12 feet between posts. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry. It has been my experience to never use a beam smaller than a two ply 2 x 8.

For more information see our disclosures here. This calculator matches up with 90 of the applications in the 2012 international residential code book. Use this calculator to find out the beam span and deck footing size for your project. If there is are any questions about anything else then you should contact your supplier or an engineer.

If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. Span calculator for wood joists and rafters also available for the android os. Multiply the load per square foot by the total area of the roof.

The species of lumber size of lumber and the load it carries. Patio beam span calculator posted on april 5 2020 by sandra please plete the items below and pergola beam span 18 professional deck builder forums build your patio cover or deck. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.