Built-up Beam to create opening

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Old 03-20-08, 08:24 PM
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Built-up Beam to create opening

Hello, I am in the process of removing a load bearing wall and I will put in place a built-up wood beam. The beam will span 12' and will support only the attic of a one floor house. I was thinking on using either 2 2x12 with 5 layers of plywood in the middle or an 16 layer plywood beam. Both beams will be glued together with construction glue and a couple of screws. Since the beam needs to span 12' and the plywood is only 8' I will use an alternate pattern.

Any advice on which beam should I use ?
 
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Old 03-21-08, 03:34 AM
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You could build your own beam as you suggest (staggering all seams, etc.), but could buy a parallam beam probably as cheap, and it would support all the weight with alot less bulk. It may be special order at one of the big box stores, but a good lumber yard will have them either in stock or one day out.
 
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