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Old 12-31-2010, 01:36 PM   #1
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Weight load


I have an attic with 2x6 24" on center joists and 3/4" plywood flooring. How much weight can this floor hold?
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Old 12-31-2010, 01:39 PM   #2
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Quote:
Originally Posted by Iwilldoit View Post
I have an attic with 2x6 24" on center joists and 3/4" plywood flooring. How much weight can this floor hold?
Why do you want to know? What are you planning on doing?
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Old 12-31-2010, 01:52 PM   #3
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Hobby


I want to set up a sewing room with two mdf cabinets/work table and an antique oak map chest for fabric storage
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Old 12-31-2010, 01:56 PM   #4
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Originally Posted by Iwilldoit View Post
I want to set up a sewing room with two mdf cabinets/work table and an antique oak map chest for fabric storage
Ayuh,... That doesn't sound like a Heavy hobby,...

I'd go for it....
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Old 12-31-2010, 02:01 PM   #5
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It would also nice to know the span of the joists, but that could be considered a living area and those loads would apply.

Dick
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Old 12-31-2010, 02:04 PM   #6
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Span


The house is 30' but there are center stairs running at a right angle to the run of the joists and also there are supporting walls below for the bed and bath walls. The longest unsupported span is 13'
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Old 12-31-2010, 03:15 PM   #7
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Originally Posted by Iwilldoit View Post
I want to set up a sewing room.
The longest unsupported span is 13'
2x6 @ 24 " center cannot span 13' for a floor. Don't listen to anyone who tells you to go for it. Your using it as a room with a floor load. This is designed as a 2x6 ceiling and not designed for a floor and room.
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Old 12-31-2010, 03:21 PM   #8
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Weight load


Thanks Joe. I really don't want to find myself sitting with my sewing cabinet in the bedroom below without using the stairs! I just hate not being able to use that space for more than storing Christmas decorations. Rats!
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Old 12-31-2010, 03:26 PM   #9
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Quote:
I really don't want to find myself sitting with my sewing cabinet in the bedroom below without using the stairs!
Ayuh,... That'll Never happen...
At Worst, the ceiling below might Sag, if you put too much junk up there....
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Old 12-31-2010, 03:45 PM   #10
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I've seen some REALLY heavy sewing machines
A 2x6 24" OC will span close to 9' @ L360 depending upon the species of wood & grade etc



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Old 12-31-2010, 07:51 PM   #11
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You will need a permit for the attic conversion, the good news-- floor rated at only 30#l.l. for attic rooms in 2009; http://docs.google.com/viewer?a=v&q=...1txlzU01V4JQIg

The bad news--- you would be over-spanned at 13'; http://www.awc.org/calculators/span/...al+Span#answer
as mentioned.

Gary
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