Garage Door Header Span Calculator

Most door frames that are 4 feet wide or less require a 2 by 6 header.

Garage door header span calculator.

Using the continuous span floor joists table with 30 0 span carried select either 3 1 2 x 11 1 4 or 5 1 4 x 9 1 4. Connections 28 29 columns 30 31 product warranty 32. Engineered wood products ewp lvl span and size charts. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures.

Anything 5 and above we always at least double cripple. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12. Porch header sizing header size load bearing wall wewontbyte garage door header sizes orange01 co wood beam sizing wood beam sizes premiumpsds co wood beam sizingporch header sizingwood beam sizingheader.

Window door garage door headers supporting roof wall floor loads. For deeper depth parallam psl beams see the trus joist 2 2e parallam psl. Read the beam size or choice of beam sizes from the table. Includes span tables for all load bearing locations and the number of jack studs.

Some sizes may not be available in your region. Beams of more than one ply must be fastened together with either nails or bolts. Click on the appropriate beam this will take you to the calculation table for your project. On longer spans the beam may require much more bearing space as indicated by this table.

Header details 24 25 nailing on narrow face 25 allowable holes 26 bearing length requirements 26 tapered end cuts 27 multiple member. These charts are for 30 pound per square foot snow load on the roof. All other data is available on page 121 of the 2012 international residential code. Span charts and 2012 irc building codes for girders and headers.

Our versa lam lvl is manufactured in either alexandria lena louisiana in eastern united states or in white city oregon for the western united states. When in doubt use 2 by 12 inch headers. Window door garage door headers supporting roof loads only. Measure the width of your door frame.

Determine the beam header span length and the span carried supported by the beam header. A beam with a 10 span carries 15 0 simple span joists on each side. The column on the left of each chart labeled beam span represents the beam length with bearing required for your project.