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Old 08-03-2008, 01:41 PM   #1
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Lan beam sizing


I am removing a post in my garage and will be running a lam beam to support the load (30 p/sqft) 14' distance. Beam to be 51/2" but how deep? 10" ?, 12"?

Robert

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Old 08-03-2008, 06:05 PM   #2
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Lan beam sizing


I would suggest going to a lumberyard...NOT A BOX STORE...A SPECIALTY LUMBER YARD that sells engineered wood beams (LVL, PSL, GluLam, Timberstrand, etc). Most good yards will have the capability to run your home's specific loads and dimensional requirements and can tell you what you need and provide engineered calc's from their proprietary manufacturer's program to back it up.

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Old 08-03-2008, 07:53 PM   #3
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Lan beam sizing


......Exactly what KCT said.....
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Old 08-03-2008, 08:06 PM   #4
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Lan beam sizing


By the way, if you're buying the beam from them, the engineering is free.
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Old 08-05-2008, 09:21 PM   #5
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Lan beam sizing


Okay, thats great. I will give it a shot. It isn't a big span, only 15' so it isn't rocket science.
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Old 08-05-2008, 10:05 PM   #6
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Lan beam sizing


Just don't shoot from the hip on this! As simple as it seems, an undersized wood beam's deflection over a 14' span can definately be felt in the floor above, which might start to feel a lot like a trampoline.

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