laminate floor flexing


Old 10-24-14, 06:36 AM
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Join Date: Nov 2006
Location: Erie, PA
Posts: 305
laminate floor flexing

So I thought I had met all the requirements as far as flatness for my new Pergo laminate floor, but I got about 1/2 of it down and I'm noticing that it flexes in a couple spots when I step on it.

This is in a bedroom, so it's not going to get a lot of traffic, if that matters.

Is this something to be concerned about?

If so, what's the best way to fix it? I looked at leveling compound at Lowes, but it said that it wasn't suitable for OSB. I was going to carefully take up the floor and re-examine it for low spots and try to use leveling compound.

It's over an OSB subfloor on a 3rd floor of a 100 year old house, so weight is a concern. It originally had a single layer of hardwood that I had to remove for various reasons.
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Old 10-24-14, 10:49 AM
sam floor's Avatar
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Put a shingle, vinyl scrap or something similar in the low places.
Old 10-24-14, 11:20 AM
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Join Date: Nov 2006
Location: Erie, PA
Posts: 305
That's what I was thinking.. but it seemed like there might be something wrong with that.

So how much flex is too much? Or I guess, how close to perfectly flat do I really need to get? I'm guessing the one spot might be about 3/16" dip over 4' based on the adjacent area.

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