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Old 06-16-2012, 02:02 AM   #1
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pressure treated plywood


in the state of new jersey can pressure treated plywood be used as a sub-floor over wood joists

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Old 06-16-2012, 02:11 AM   #2
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You should go and ask your building department to get the correct answer.

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Old 06-16-2012, 07:06 AM   #3
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Why would you want to use it?
Pressure treated wood has no place inside a home except for a bottom plate on concrete.
If you went with pressure treated any fastners from then on going into it would have to be ACQ approved or there going to rust off.
It's going to be soaking wet when you buy it, and full of voids. Not a great product to be applying any underlayment over.
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Old 06-16-2012, 08:36 AM   #4
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Makers of pressure treated wood usually say not to use it indoors.
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Old 06-18-2012, 01:51 PM   #5
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I would just use regular plywood. It will be cheaper.
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Old 06-18-2012, 04:42 PM   #6
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I
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would just use regular plywood. It will be cheaper.
The price has nothing to do with making the correct decision. You do not want PT ply or lumber indoors.

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Old 06-18-2012, 10:42 PM   #7
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Joe is the only one that stated why you shouldn't use it indoors.

Pressure treated lumber is only used indoors when it is on concrete like sill plates, you need to cut it outside as it has harmful chemicals that release when cut hence why it's wet when you pick it up from store. Termites love pressure treated wood but only when it is indoors. If you google it there are sites that say it is band from using it indoors and then sites saying you can using it indoors just don't eat off it.
I say yeah all we'll and good but your to limited on what you can put over it unless a 3 seasons carpet.
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Old 06-18-2012, 11:19 PM   #8
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If you google it, there are sites that say it is band (banded) from using it indoors and then sites saying you can using (use) it indoors just don't eat off it.
Yes, you can find all kinds of answers on this crazy internet. After all, there are no restrictions on who can give advice.

Try building a structure with PT indoors and let it dry out a few weeks. You're likely to be re building it. Why? As it dries it'll deform and become loose. It happened to me some years ago.

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Old 06-19-2012, 09:16 AM   #9
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Also the fumes from it, even tho it no longer contains arsenic, would probably bother anyone who is sensitive to chemicals.
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Old 06-22-2012, 10:11 PM   #10
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Pressure treated lumber of any kind is not meant for indoor use by the manufacturer. Your not even supposed to breathe the dust as you saw it technically. Also p.t. plywood usually comes soaking wet and when it dries out it will buck and deform whatever floorcovering you install on it.

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