Headering Off A 2x6 Floor Joist - Building & Construction - Page 3 - DIY Chatroom Home Improvement Forum

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Old 04-19-2012, 10:19 AM   #31
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Originally Posted by GBR in WA View Post
Alan, if both individual headers are within 3' of same or different bearing, you will be fine, per code. "Single trimmer joists may be used to carry a single header joist that is located within 3 feet (914 mm) of the trimmer joist bearing." Bold/underline is mine.

If worried, go with your plan "B" and sister one next to the cuts. If you want/need it stronger, add plywood to the side: http://www.finehomebuilding.com/how-...-up-beams.aspx

Other choices when the floor is "bouncy" ; http://www.finehomebuilding.com/PDF/Free/021184090.pdf

You can also add 2x4 flat to the bottom of joist, but that is another discussion......

Check your span, second chart- 40# L-360; http://publicecodes.citation.com/ico...002_par011.htm

Code is minimum though there is a safety factor with the span ratings. eg.- 2x6 [email protected] 16"o.c. w. 8' span = 89# lin.ft. or 711# dist. load Same at 9' span = 68# or 631# Same at 10' span = 56# or 568# total. From a joist/beam chart L360 w. D.f.


Thank you.

Journeyman Plumber
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