Can flat bathroom floors create water damage?

John Skinner
3 months ago
last modified: 3 months ago

Our drawings detailed a sloped bathroom floor, how the builder had the tilers lay the floor tiles on a flat floor (we have porcelain floor tiles).

Now we have moisture damage at the junction between the tiles of the bathroom and the living room floor slab.

Is this because the floor was laid flat, and as a result moisture/water builds up against the slab?

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