Maintenance Guides / Interior & Foundation

Inspect and reseal tile grout

Difficulty: moderateTime: 60 minsEst. Cost: $15 - $30

Why it matters

Cracked grout in a shower allows water to seep behind the tile, rotting the drywall and breeding black mold. Resealing prevents water absorption and stains.

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How to do it

  • 1

    Clean grout thoroughly and allow it to dry completely.

  • 2

    Inspect for crumbling sections and patch with new grout as needed.

  • 3

    Apply penetrating grout sealer with a small brush or applicator wheel.

  • 4

    Wipe excess sealer off the tile surface.