Loft design question


  #1  
Old 06-15-04, 07:29 AM
shague
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Loft design question

Hi all,

I am building a free standing storage loft that will be 8' high and has 12'x20' dimensions. I will be following a deck design, with four corner posts and two beams on the 12' sides. Then joists running on top of the beams across the 20' span.

The engineering tables I have indicate that 2"x12" joists spaced at 12" OC will be sufficient for a 21' span that supports 40psi.

This assumes that I put the two beams on the 12' ends. But does it matter? Can I put the beams on the 20' side and then put 12' joists on top of that? Also, the beams will be two 2"x12"s together.

Thanks, Sam
 
  #2  
Old 06-29-04, 06:54 PM
Doug Aleshire's Avatar
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shague,

Unsure as to what you describe. You may want to send me a sketch of what you are doing and I can better assist. Something seems as though you need better support for the length mentioned.

Hope this helps!
 
 

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