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Old 09-05-2018, 10:51 AM   #1
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PT Lumber Concerns for Finished Ceiling


The lumber yard screwed up and delivered AC2 pressure treated instead of traditional framing 2x3s for my basement project. I plan to use them to finish the ceiling with nails, drywall, etc. Are there any concerns with using PT instead of framing lumber? Can I still use normal fasteners and lightweight drywall? Thanks in advance.
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Old 09-05-2018, 11:00 AM   #2
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Re: PT Lumber Concerns for Finished Ceiling


One or two pieces get used in every house, I would not settle for a whole order screwed up. Your question about fasteners is enough for you to say this is not something you should not have to think about.
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Old 09-05-2018, 11:09 AM   #3
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If your using standard interior screws, the pt will corrode the screws. You'll need to use exterior grade hardware. The copper eats the zinc.
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Old 09-05-2018, 11:20 AM   #4
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Re: PT Lumber Concerns for Finished Ceiling


One common concern for me when it comes to pressure treated is the stuff I buy is usually super high moisture content and shrinks twist and does all kinds of crazy stuff as it dries.


I have seen it break screws. I can imagine what it could do to drywall nails/screws.



I would prefer installing something that is a little closer to its final moisture content.
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