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I want to add 1/8" plywood subfloor to my existing subfloor

I want to add 1/8" plywood subfloor to my existing subfloor


Old 05-08-13, 06:21 AM
Thread Starter
Join Date: Mar 2013
Location: USA
Posts: 5
I want to add 1/8" plywood subfloor to my existing subfloor

As of right nwo I have my formal living room and dining room 1/8" off from the rest of the house. What I would like to do is buy 1/8" plywood to put over my exisiting floors to even out everything so I can run my floors throughout the house evenly. What I would like to know is how I would go about this. My existing subfloor is 3/4".
Should I nail the floors together? Should I screw them together? Do they need to be at the joist? Do I need glue between the floors? Should there by any gaps. Also because of this will I need to cut my dry wall to allow the second subfloor to go underneath it? Any help would be greatful. Thanks in advance.
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Old 05-08-13, 12:53 PM
Join Date: Mar 2006
Location: Wet side of Washington state.
Posts: 18,399
What kind of finish floor will you have? 1/8 inch plywood is not what I would use. Truth is, I would probably just use a tapered transition if using hardwood, nothing if using carpet and a self-leveling compound if using tile.
Old 05-08-13, 04:25 PM
Group Moderator
Join Date: Oct 2004
Location: WI/MN
Posts: 18,651
I'd go with the transition as well.

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