Installing Carpet on a Concrete Slab

Discussion in 'Misc DIY' started by, Mar 9, 2009.

  1. Guest

    I am having carpet installed on the concrete floor of a garage
    conversion. I don't think moisture is a problem but the concrete
    floor is always colder than the rest of the house. Should I have the
    installer put down a vapor barrier before the pad and carpet are
    installed? Is it is better to have it installed on a 75 degree day or
    a 45 degree day? I will have both in the coming week. He is also
    gong to try and nail the tack strips down but may have to glue them
    down if nailing is unsuccessful. Are there any long term problems/
    failures with gluing down the tack strips? I've heard from other
    people that it would void the warranty on the carpet if the the tack
    strips are glued down.
    , Mar 9, 2009
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  2. Tom G Guest

    We closed in a porch (concrete slab) and installed carpet. But I was
    concerned that snow melt could get under the walls or the cold concrete
    might condense moisture so I had the contractor put down the 2ft by 2ft
    interlocking wood panels first. These have a plastic moisture barrier with
    slight projections that keep the wood about a quarter inch off the concrete.
    I'm pleased with this as it feels as if I'm walking on a regular carpeted
    sub floor in a house. Floor is much warmer, too. Never did like carpet
    directly on concrete as that is what we lived with in Arizona (houses on
    slab construction). Can't remember the name of the panels but we got them
    at Menard's and I've seen them advertised at other big box stores.

    Tom G.
    Tom G, Mar 9, 2009
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  3. ransley Guest

    Tape down a 12" piece of clear plastic if water shows under it after a
    day or 2 you need to water proof it, or get a cheap moisture meter.
    ransley, Mar 9, 2009
  4. RickH Guest

    Wash it, etch it, then seal it with a concrete waterproofer. Using a
    vapor barrier after that is ok, but using a vapor barrier alone will
    cause moisture to condense between the vapor barrier and the top of
    the slab. Mold will form there. If you use a concrete water sealer
    the moisture will stay in the slab itself where you want it to stay.
    RickH, Mar 9, 2009
  5. Oren Guest

    A tip I learned and still use:

    Using a framing hammer, tap the side of the tack strip at each nail
    location. You can use a wooden block, but I just use the hammer. This
    will loosen the nails (not always) a bit. Then pry off the strip using
    the claw of the hammer. Leverage any remaining nails; left or right
    and they pop right out. You may or may not have dimples in the slab,
    but that's okay.
    Oren, Mar 9, 2009
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