Solid Hardwood, Engineered and Laminate Flooring - hardwood over uneven floor

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Jill of all trades
04-22-03, 04:09 PM
I want to install hardwood over an uneven plywood subfloor. Can I pour a leveling compound on the floor and install over that? Can I nail through the compound or would I have to glue? I don't want to install more underlayment as this will raise the floors too much.

twelvepole
04-22-03, 06:56 PM
A leveling compound can be used to take dips and sags out of floors. A solid 3/4" hardwood floor should be nailed into a 3/4" plywood (or OSB acceptable) subfloor. If you purchase a wood flooring product that requires a glue down installation, follow manufacturer's directions.
Jill of all trades
05-10-03, 10:59 AM
Thank you for the reply but I'm still not sure whether I can nail through the leveling compound.

Also, after reading some of the other posts about uneven floors, I am understanding that the unevenness might couse the floors to spring. I was only concerned originally about correcting the uneveness to allow furniture to sit straight, etc. Is it only floating floors that would spring?

dougmint
05-20-03, 08:58 AM
Originally posted by Jill of all trades
Thank you for the reply but I'm still not sure whether I can nail through the leveling compound.

Also, after reading some of the other posts about uneven floors, I am understanding that the unevenness might couse the floors to spring. I was only concerned originally about correcting the uneveness to allow furniture to sit straight, etc. Is it only floating floors that would spring?

I used Ardex feather edge. And yes it can be nailed through.

http://www.ardex.com/prod-sdf-bro.htm