Flooring, Drywall & Interior Finishes in Covina

Tapping a Covina tile floor to find hollow spots comes first on a visit, and the pattern decides whether tile stays, is patched or is lifted.

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A tile floor answers when it is tapped. A dull, hollow sound under a knuckle or a steel rod means the tile has let go of its bed, and the first job on a Covina visit is to walk the floor and tap it. What the tapping finds decides whether the tile stays or comes out.

Reading the tap

A firmly bonded tile rings with a sharp, short sound. A hollow one gives a low drum note, and a cracked tile often sits above a gap. Each hollow tile is marked with chalk or tape, and the pattern tells a story. A line of hollow tiles can follow a joist that is flexing, and a patch near a door can follow a leak. A few isolated ones may point to a thin spot in the mortar. The sketch shows how many, where and how far the problem spreads before anyone names a repair.

Keep, patch or lift

A floor with scattered hollow tiles can be patched, with the loose ones lifted, the bed cleaned and new tile set. A floor with large hollow zones is better lifted, because new tile over a failed bed fails again. If the pattern points to flexing framing, the subfloor is stiffened first. If it points to water, the leak is traced and repaired. Whichever it is, the quote carries the decision and the reason for it, so the plan is clear before work starts.

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