I'm thinking about installing a floating laminate floor in part of our
basement, over existing vinyl tile/concrete. The basement is 50+ years
old and dry, block walls are properly insulated and finished, but of
course the floor is cold because they did not insulate under slabs back
then. What's the best way to add a layer of insulation under the
laminate? Options might be Reflectix (foil-faced bubble wrap) or rigid
foam perhaps, but ideally not more than 1/2" because we're working with
We've had laminate flooring in most of the rest of the house for 3-5
years and it's help up well. If I can find a way to install it in the
basement so it's comfortable that would be my ideal; it's hard to beat
$1/sq ft and one day to finish a room.
Definitely let me know what you go with, I'm planning something
similar. Since my office is down in the basement, I'm tired of cold
feet all day from the indoor/outdoor carpet over slab flooring.
I'm considering converting the 220V baseboard heater into radiant
electric under laminate or tile. According to one floor heat website,
they recommend cork underlayment (1/4 inch). I've always wanted
radiant heat since I moved away from a house that had it. I'm hoping
that the insulation + heating wires + laminate will be < 1/2 inch.
I put the new floor down yesterday. We ended up going with a laminate
with an attached underlayment and put it down on top of a combined
vapor barrier/cushion marketed as "Quiet Walk." After talking to a
couple of flooring manufacturers there didn't seem to be many other
options for direct placement on concrete. So far so good-- it's much
warmer to the touch than the old vinyl-asbestos tile we layed it on,
and of course it looks great. The double underlayment also makes it
very quiet to walk on. Radiant would have been nice, but we're working
with a 50 year old house and a space that won't get used that often so
wanted to avoid the expense.
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