Header Wood Beam Span Calculator

Header spans for exterior walls on buildings 20 wide.

Header wood beam span calculator.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Calculating spans instructions for calculating beam carried spans. This translation is the key to any structural sizing problem. Refer to the above illustration to determine the beam header needed for your application.

Click on the appropriate beam this will take you to the calculation table for your project. This header must carry x pounds per lineal foot. Use two nails on each end and at splices. Engineered wood components are sized using span tables that match various spans to pounds per foot of beam.

Wood beam design and installation considerations weyerhaeuser. Also available for the android os. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. The notch can not exceed 25 of the width of the board.

Anything 5 and above we always at least double cripple. Wood header beam span calculator. Beams of more than one ply must be fastened together with either nails or bolts. Span calculator for wood joists and rafters also available for the android os.

The bottom of any beam may be notched only on its end. Armed with this information you can determine the minimum size span or strength of the beam credit julio. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. In beam speak you say.

Versa lam lvl beams headers boise single ply beam solution professional 4101 8 6 01 wall construction wood i beam span chart trinity rosboro big beam df high strength. Stagger the rest of the nails 32 o c. Nail each ply of a beam with a minimum of 10d nails. On longer spans the beam may require much more bearing space as indicated by this table.

Determine the beam header span length and the span carried supported by the beam header. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Allowable load tables tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine.