Installing Carpet over Concrete Slab at Grade (Insulation)

7 VII 7 · Jun 26, 2015

I have a family room that is 24x11 and it currently has carpet on it. I pulled it up to look at it looks like there is wood down and a pad with the carpet on top. All this over our concrete slab. I think we are getting a good amount of heat loss through our floor and want to know a better way to insulate it and put new carpeting down. Any suggestions would be great such as lbs density to type of padding to use. Also if we should put anything else below the pad.

Thanks!

JazMan · Jun 26, 2015

There is a carpet cushion that a friend imports, made especially to insulate concrete floors and is also moisture resistant. It is the only carpet padding I am aware of that has an R-value of 4.5 and contains no BHT, which makes this padding very mildew resistant. It also is not adversely affected by moisture contact. Regular carpet paddings have a negligible R factor, certainly under 1.

Jaz

7 VII 7 · Jun 26, 2015

And what is this product? I plan on putting a layer of VersaShield down for moisture barrier. Same stuff I used on my floating hardwood floor before the underlayment.

7 VII 7 · Jul 8, 2015

Well, with the lack of thread. I am going with a R-2.1 insulation pad with Shaw Anso Nylon

joecaption · Jul 8, 2015

At least 95% of heat loss will be from leaking windows and doors, lack of insulation in the attic not the floors.

7 VII 7 · Jul 9, 2015

Yup, going to do some DIY blow in insulation 18" in the attic over that room before the winter time.

Installing Carpet over Concrete Slab at Grade (Insulation)

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