Applying a topical or glossy sealer to natural travertine tile can indeed increase slipperiness, especially when the floor becomes wet in areas like bathrooms, pool decks, or kitchens. To prevent slip-and-fall hazards, flooring professionals recommend using a penetrating impregnating sealer instead of a topical coating, as impregnating sealers absorb deep into the stone's pores without altering the surface traction, preserving the natural anti-slip texture of honed or tumbled travertine.
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