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Old 04-02-2011, 07:31 AM   #1
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What size header?

I am opening the wall between my kitchen and back room (originally a 3 season porch)
1) wall is 12' long to a corner, then 4' back to end of kitchen.
2) There was a slider in the wall that had a header consisting of 2 2x10's.
3) I would like to take out the corner and open the room up. Here are my questions:
A) Can this be done?
B) What size header would I need to support the 12' and 4' spans?
C) Can I tye the header into the joists and remove the corner, or do the headers have to be supported down to the floor?

Thank you for your help.

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Old 04-02-2011, 08:21 AM   #2
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What size header?

Question C is a bit disturbing, you should learn more about structure before you dive into this project.
With that said, many local lumberyards will spec the beam for you. Engineering questions are typically not answered here because it's all about what it's supporting and removing 12' is a fairly large load.
Do you have a before and after floor plan mapped out that you could post?

I tear things down and build them up.
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Old 04-02-2011, 08:42 AM   #3
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What size header?

Originally Posted by DIYMom23 View Post
C) Can I tye the header into the joists and remove the corner, or do the headers have to be supported down to the floor?
With a question like that, you HAVE to higher a professional and file for permits and inspections.
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Old 04-02-2011, 09:57 AM   #4
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What size header?

Doubled up 2x10s lead me to believe this a load bearing wall and the description you give leads me to believe it use to be an exterior wall. Based on that guess, there is no way to get rid of that corner. 12' of unspported house at an outside corner just isn't going to work.

Maybe post some pics if I am not understanding.


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