Pop sound from floor


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Old 04-08-21, 06:15 PM
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Pop sound from floor

Hi all,

I recently noticed in an area of our floor - when walking on it with a little more weight - it seems to create a popping sound. It doesnít happen all the time but if I stand on that area and lightly bounce it will occur.

The ceiling is open in the basement and looked at the floor joist around that area and noticed a bit of a twist on the joist. I assume this might be the issue and wondered how I would go about fixing this. Also, is there more concerns I should be worried about?

Thanks!
 
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Old 04-08-21, 07:01 PM
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It could be that the subfloor in that one spot isn't nailed since we can see 3 nails that all missed the joist. I don't think it is anything you need to be concerned about, at least not until you change the floor covering... at which point you might add some screws to that spot.

If its close enough that you can reach it with a caulking gun, you could caulk the edges with a subfloor adhesive, which might help once it sets up.
 
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Old 04-08-21, 07:26 PM
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Thanks for your reply XSleeper. Weíve lived in the home for 10 years and only the last 6 months have we really noticed this. It seems the joist has a twist on the end but I donít know it itís always had this.

is that concerning or is that somewhat normal?
 
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Old 04-08-21, 07:29 PM
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Its quite normal. Especially if the subfloor hasn't been nailed to it.
 
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Old 04-08-21, 10:22 PM
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What is the flooring above, if carpet it might be fixable other wise some repairs can be made from below!
 
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Old 04-09-21, 10:41 AM
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Itís hardwood above, so I would have to pull that up - hoping not to require that. Iíll see if it gets worse, but hoping it doesnít cause other structural damage.
 
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Old 04-09-21, 11:51 AM
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Could be a dip in the floor too. If you have hardwood over a dip in the subfloor, it might pop like that. That would be the flooring popping up and down on its fasteners. Hard to say.
 
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Old 04-09-21, 02:40 PM
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So one option from below, use the composite shims, cover with carpenters glue and tap in lightly between sub floor and joist.

You don't want to force the sub floor up, just fill the gap. More than one may be required. Need to confirm the spot, someone walking above while you're down there "feeling" the movement!
 
 

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