We are considering laying laminate flooring in a basement over existing ceramic tiles. Rather than using the thin underlay suggested with laminate, would 1/2" styrofoam taped at joins with tucktape work? We are worried about moisture buildup under the styrofoam if it wasn't able to breath. At present, on high humidity days the tile does get a thin layer of moisture in places.
Last edited by MacfadyenM; 08-17-2012 at 11:43 AM.
If there's that much moisture then no form of flooring is going to hold up.
Have you been running a dehumidifier?
May want to buy a barometer. It should be about 40 to 50 % or less.
A lot of laminites are not even below grade rated.
Use engineered flooring instead, it's far more stable.
But you have to find out where that moisture is coming from first/