Screwing Down Subfloor & Crowned Joist? - Flooring - DIY Chatroom Home Improvement Forum

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Old 12-07-2009, 01:59 PM   #1
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Screwing down subfloor & crowned joist?

I will be installing a 3/4" maple floor this week over 3/4" plywood, in a home that is 14 years oldand has some minor squeaks in it. It is screwed down now but I wanted to add some more screws, should I put them right beside the old ones or in the middle between them?
I also have one floor joist that is crowned about 3/8" in a low traffic area, I have very limited access to get to it from underneath. An installer where I bought the wood just said to take the crown down with a belt sander and then shim it if necessary.
Any info greatly appreciated!


roar24 is offline   Reply With Quote
Old 03-20-2011, 04:27 PM   #2
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The answer will depend on your floor. I have had some needing just 1 screw/nail and that took care of a squeek, where as some areas are more squeek prone.
Have fun.. the best way is to fix it in part from under the floor.


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