Can 1/4" foam rubber be used as underlay?


Old 12-04-08, 09:31 AM
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Join Date: Dec 2008
Location: Ontario
Posts: 1
Can 1/4" foam rubber be used as underlay?

I plan on installing 12mm laminate flooring. I've removed existing carpeting which was on 1/4" foam rubber which is on particle board overlay. Is it absolutely essential to remove the rubber (and the million staples) and replacing it with styrofoam underlay? The rubber seems to be in good condition.
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Old 12-10-08, 12:42 AM
Join Date: Dec 2008
Location: Sydney
Posts: 3
Hi Jaker,
You shouldn't use the rubber underlay since its designed for carpet not laminate,if you use the rubber underlay, your laminate floor will move when you walk on it, I suggest that you remove it and use the foam underlay, its designed for laminate and gives your floor a more solid feeling when you walk on it. Hope this helps.
Old 12-10-08, 03:18 PM
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I agree that you want the extra rigidity of the styrofoam over the foam rubber.
Old 12-10-08, 04:03 PM
Join Date: Oct 2008
Location: USA
Posts: 16
Originally Posted by mitch17 View Post
I agree that you want the extra rigidity of the styrofoam over the foam rubber.
Styrofoam under laminate? I just put down about 550 sq ft of laminate in my house. I looked at a lot of flooring and at a lot of stores before choosing what we did. I didn't see any place that had styrofoam underlayment...In fact, a lot of laminates had an attached underlayment that is like a foam rubber, although it isn't 1/4" thick.
Old 12-10-08, 08:26 PM
Join Date: Aug 2000
Location: USA
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Use manufacturer's recommended underlayment, subfloor prep, vapor retarder, installation instructions, care and maintenance, etc. or warranties will be voided. Each manufacturer tends to have its own specifications and instructions.

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