I am going to have Lowes put down about 300 sqft of Pergo Laminate flooring.
I have a quote from them and it seems reasonable.
They did not seem to specify any underlayment for the flooring. Should
there be some ?
If so what type should it be ?
I received an email from Pergo and they said the type I am putting in had
the underlayment built in and I do not need any unless laying it over
concrete, then more of a thin vapor barrier than anything. They did mention
putting a vapor barrier under the house if a crawl space, but should not be
needed if a basement is under the main floor.
They also said that my computer chair should be ok to roll over it. The
tech sheet they sent me said they testedit to 25000 cycles and no effect.
If I have enough left over I think I am going to make a pad about 3 feet
each way and put it under the place where the chair is at just to make sure
it will hold up.
The house has a basement and this floor is going in a room over the
basement. The floor has carpet on it now which will come out and under that
is some partical board type flooring. Over the floor joists there is a
layer of either OSB or plywood. Hard to tell as I did not want to pull the
fiberglass insulation back enough to get a good look at it.
All depends on the condition of your floor. That's something the
installer should determine. If you're unsure of them knowing what they
are doing, get a 2nd opinion from someone who can see the floor. It's
impossible to tell you on a newsgroup when we cant see the floor.
I dont know what they use these days for underlayment. 20 years ago,
1/4" luan plywood was common. In the 70's 1/4" masonite was popular. I
guess it depends on what works best and what is the cheapest.
I had a relative who did flooring, and I used to help the guy once and
awhile, when I was much younger. Thats why I know this. Most of what I
did for him was staple down the underlayment. It takes a lot of staples.
Laminate flooring is a lot thicker than vinyl sheet goods or tile, so
I'd think there would be less need for a "perfect" floor surface.
But I'm not familiar with what you are using. Is it wood, or some sort
of vinyl or composite?
On Thu, 04 Feb 2016 01:47:01 -0600, email@example.com wrote:
For laminate a plywood "underlay" is virtually never needed,
recommended, or used. Generally speaking i thin plastic "felt" or high
density closed cell foam is used. It is a vapour barier and a
"lubricant" between the laminate and the floor below.
You need to remember too that laminate comes in all different
qualities, from pure crap to pretty darn good, and from 5 or 6mm to 14
and 15mm in thickness..
I put 14mm laminate in my basement, over the 5/8" plywood subfloor
which had been covered with carpet for about 35 years. It is 4 1/2
I put 10mm laminate in my upstairs bathroom. It looks like ceramic
tile and came in 1 X 4 ft sheets, 4 tiles to the sheet - with
waterproof wax sealed joints. We used a similar product that looked
like slate tile in my daughter's townhouse entrance. The sparks
really flew from the carbide saw blade on all 3 jobs - wearing out a
blade on each project.
I put prefinished ash hardwood in the living and diming rooms. The
finish on that is a UV cured aluminum oxide layer that pretty well
finished off another blade.,
Read the directions!
I installed Pergo in the kitchen when it was still glued together. In
that instance (over a plywood subfloor) they required a special dense
More recently, I installed the snap together Pergo laminate with a thin
foam backing preattached. The instructions specifically said DO NOT USE
Central to all of this is the type of subfloor you're dealing with.
Pergo covers all the bases and answers all your questions. If you don't
have a copy of the instructions, go online and download a copy from
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