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Underlayment for Prefinished Hardwood Floor

I'm installing 3/4" prefinished hardwood floors (above grade) and was wondering what type of underlayment to use; tar paper or rosin paper.


A. Spruce
Re: Underlayment for Prefinished Hardwood Floor

Use what the manufacturer recommends, to do otherwise voids the warranty on the floor.

That being said, heavy plastic sheeting is most commonly used, followed by a layer of foam pad, then the floor. Again, follow the manufacturer's recommendations and installation procedure. :cool:

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