moisture content of ceramic tile

sgulfman

I recenttly bought a 35-40 year old house-good structure. There were carpets over ceramic tile(original)
I was told the their was high moisture content and thats why I cannot have laminate floors installed.. There have never been any floods or leaks

gregzoll

Who told you this?

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joecaption

I'm not even sure how one would be able to do a moisture test on ceramic tile. It's one of the hardest man made materials.
Sure it's not the subfloor under it that was tested?
Is there a slab, crawl space, or basement under the floor?
Carpet over a tile floor, hmm.

Daniel Holzman

There is essentially zero free moisture in ceramic tile. The actual percent moisture content is a function of the exact firing process, most porcelain tile is less than 3 percent water by weight, but that water is chemically bound up in the tile and would never impact floor above. Unless you do not have ceramic tile, moisture should be the least of your concerns.

Yoyizit

I thought the moisture was in your subfloor and it varied so a laminate floor on top would buckle??