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Can I float 3/8" engineered hardwood over solid hardwood?

Alex Jenkin
3 years ago
last modified: 3 years ago

I found a deal on engineered click-lock hardwood that's tough to pass up. I have old carpet in a room on top of old solid hardwood. I've sanded/refinished this flooring before in a similar house, but it took a lot of work, and I can put new engineered hardwood on top for about what it would cost just to rent the sander. It's a small room, only about 10x10 that doesn't see heavy traffic.

  1. I've read some people say that 3/8" is borderline for floating, and that nailing may be necessary. Could I float it over the hardwood, or would it need to be nailed?
  2. If I did this, should there be any special type of vapor barrier/felt/whatever on top of the old hardwood?

Here's a pic... thanks for any input.

https://i.imgur.com/S7LXwUb.jpg

https://i.imgur.com/GhZ0fd7.png


EDIT: I contacted the manufacturer and they said it was ok, and to just use an underlayment pad.

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