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Old 08-12-2008, 10:12 AM   #1
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header sizing

[FONT='Verdana','sans-serif']Hey from sunny Atlanta (without rain)[/FONT]
[FONT='Verdana','sans-serif'] [/FONT]
[FONT='Verdana','sans-serif']I need some much needed advice[/FONT]
[FONT='Verdana','sans-serif'] [/FONT]
[FONT='Verdana','sans-serif']I want to open my kitchen up to my new sun room (converted with advise from you all )[/FONT]
[FONT='Verdana','sans-serif'] [/FONT]
[FONT='Verdana','sans-serif']The width is 16 feet - concrete slab - no snow( Atlanta) attic above with lite usage - looks like 1 story with large attic above intended construction area[/FONT]
[FONT='Verdana','sans-serif'] [/FONT]
[FONT='Verdana','sans-serif']not sur if the drawing will come thru on the drawings - basically want to open up from the window to the glass doors - with a header spanning the 16 ft distance[/FONT]
[FONT='Verdana','sans-serif']any thoughts on header sizing - money not an object - I want to overkill this thing - but do it my self[/FONT]

thanks again!
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Old 08-12-2008, 10:23 AM   #2
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There's no prescriptive header span in the tables in the code that will let you clear span 16' with roof and ceiling load.

I'd suggest contacting a good lumberyard (not a hardware store, box store, or home center) and having them size an LVL or PSL beam for your application. They'll need to see plans or good pictures like you've posted here. They'll also need the depth of your house perpindicular to the header to determine tributary roof/ceiling load. The more info you can provide, the better. Good engineered lumber suppliers will provide you with calcs to accompany the beam for the purpose of obtaining permits.


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Old 08-12-2008, 04:36 PM   #3
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Don't know your exact location, but if you're near the Tucker area, Cofer Brothers on Main Street has LVL in stock. If you go someplace like HD or Lowes, they'll have to special order (up to 10 days). And I don't know that I'd trust their recommendation as to size, if they will even make an attempt.
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Old 08-12-2008, 09:21 PM   #4
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I see a big load point in the center of your proposed opening. especially if that's a true framed valley. I don't know how you could span this with not using steel with LVL's.
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