subfloor question


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Old 03-20-07, 12:16 AM
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subfloor question

I am unable to tell exactly what kind of material we have throught the house for our subfloor. For a house built in 1979, was it ever common to use particle board? Over time, will plywood appear similar to particle board? I've chiped a few spots, and the material looks like somekind of high-density particle board.

I am asking because we want to install wood floor in our kitchen and dining rooms.
 
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Old 03-20-07, 02:46 AM
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During the period you're speaking (1979) particle board was the primary material. The slow transition to partical board started in the 60's and really was uses in wide acceptance within a few years.
Plywood does not look like particle when it's new and doesn't look like it when it's old.
Applying a wood floor over the particle board should no problem. I do suggest a layer of thin (1/8 ") insulating styrofoam be applied before attaching the wood to the floor. This will act as a cushion adding to the quiteness of the floor, and provide a better weather seal.

I hope this helps! Please let us know how thing work out!!!

CD
 
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Old 03-20-07, 08:42 AM
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Thanks CD. That's what I figured. What thickness do you suggest for a new layer of ply? I guess my question is - What is the minimum thickness that will do the trick? I'd like for the new wood floor to transition nicely to the rest of the carpeted house, without using a transition piece. Maybe I can't avoid it...
 
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Old 03-20-07, 08:04 PM
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I beg to differ!!!


Particle board is pure junk. Only a floating floor should be installed over it. Don't think about nailing into it.
 
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Old 03-21-07, 01:44 PM
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I plan on placing a layer of plywood over the floor so I do the job right.

What is the minimun thickness of ply that I can go with to keep the ajoining rooms as close as possible without using a transition strip?

Thanks!
 
 

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