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Old 03-12-2013, 10:21 PM   #1
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Nailed OSB Subfloor - Should I screw it as well?


I just nailed a subfloor using OSB. Should I go over it again with screws? I did not glue it.

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Old 03-12-2013, 10:31 PM   #2
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Nailed OSB Subfloor - Should I screw it as well?


Big mistake already, constution adheive would have added 25% more strength.
Is it at least T X G subflooring?
What kind of nails did you use.

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Old 03-13-2013, 06:36 AM   #3
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Nailed OSB Subfloor - Should I screw it as well?


It is an older (~35 years) home, so it had a plank sub floor, then we put the OSB over that
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Old 03-13-2013, 10:42 AM   #4
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Nailed OSB Subfloor - Should I screw it as well?


Oh and it is t&g. I'm thinking about just screwing over the high traffic areas. The rooms itself isn't that big, it's under 150sqft
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Old 03-13-2013, 10:48 AM   #5
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Nailed OSB Subfloor - Should I screw it as well?


Then no glue is fine.
Those old boards should have had screws added before the osb.
The OSB needs to be nailed or screwed every 4" on the edges and 6 to 8" in the field not just in the traffic areas. If not it's going to flex and squeck.
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Old 03-13-2013, 10:52 AM   #6
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Nailed OSB Subfloor - Should I screw it as well?


Old boards were nailed. Is that going to be a issue in the future? Under the floor is an undeveloped basement. Maybe I could do something from below?

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Old 03-13-2013, 11:06 AM   #7
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Nailed OSB Subfloor - Should I screw it as well?


There's nothing worthwhile you can do from below for now.
No screws in the old floor may cause squecks.
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Old 03-13-2013, 02:28 PM   #8
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Nailed OSB Subfloor - Should I screw it as well?


Joe means squeaks.

Do you have squeaks now - is that a problem?
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Old 03-13-2013, 04:19 PM   #9
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Nailed OSB Subfloor - Should I screw it as well?


Quote:
Originally Posted by zakany View Post
Joe means squeaks.

Do you have squeaks now - is that a problem?
Nope, no squeaks - but I just bought the house.
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Old 03-13-2013, 06:50 PM   #10
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Nailed OSB Subfloor - Should I screw it as well?


Did you at least use ring-shank nails?

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