Patio Roof Beam Span Calculator

If there is are any questions about anything else then you should contact your supplier or an engineer.

Patio roof beam span calculator.

The smallest beams for patio covers are typically 4 by 6. Most interior beams need to include the roof load. According to our beam span chart resource the span of a beam is dependent on a few variables. It has been my experience to never use a beam smaller than a two ply 2 x 8.

If an example roof is 10 feet by 20 feet the total area is 200 square feet. A 4 by 10 can usually span up to 12 feet between posts. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.

Multiply the load per square foot by the total area of the roof. Multiplied by 40 pounds per square foot equals 8 000 pounds. Span calculator for wood joists and rafters also available for the android os. Patio roof maximum beam rafter spans.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. 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. The species of lumber size of lumber and the load it carries. Use this calculator to find out the beam span and deck footing size for your project.

For more information see our disclosures here. 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. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. This calculator matches up with 90 of the applications in the 2012 international residential code book.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. This post may contain affiliate links. This number represents the total load that your roof must carry.