Roof Header Span Chart

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Roof header span chart.

Click on the appropriate beam this will take you to the calculation table for your project. Determine the beam header span length and the span carried supported by the beam header. Raised floor homes look great and protect homeowners against risks from flooding and subsiding soils. The lengths and sizes of joists vary depending on the species and quality of the lumber used.

Both diyers and building professionals will like these garden and outdoor living ideas and plans. Maximum rafter spans for a patio roof. Works with evenly distributed loads only. Calculate the size needed for a beam girder or header made from no.

L stands for the span of the beam in feet. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. The column on the left of each chart labeled beam span represents the beam length with bearing required for your project. F stands for the beam s fiber strength in bending which depends on the species of wood.

In the example the beam spans the 10 foot width of the roof. The 1 grade. Includes span tables for all load bearing locations and the number of jack studs. For the initial calculation f can be estimated at 1 000.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Roof ceiling and one clear span floor 4 2x12 9 11 2 8 7 2 7 8 2 fccip 425 main st ste 25 greenfield ma 01301 3393 fccip staff phone. Span charts and 2012 irc building codes for girders and headers. Fill in the parts of the formula that are already known.

For heavy roofs or in. These charts are for 30 pound per square foot snow load on the roof. Girder spans and header spans for exterior bearing walls maximum spans for douglas fir larch hem fir southern pine and spruce pine fir and required number of jack studs. Covers any span and every load with pin point accuracy.

Colorbeam flat roof span tables. The total load is 4 000 pounds. Wood beam calculator american wood council website rafter and joist span faq. 2 pine or lvl.

View joist rafter tables. Span of roof without using a center beam building construction diy chatroom home improvement forum. Double check yourself with these span charts. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine.

Patio cover plans build your or deck. All other data is available on page 121 of the 2012 international residential code.