The joints where your tile meets everything else are where leaks start. We strip the old caulk out properly and replace it.
Caulk is the flexible seal at every corner and change of plane — where the shower wall meets the pan, where tile meets the tub, where a backsplash meets the countertop. Those joints move, so they need a flexible sealant rather than grout. When caulk goes black, peels, or splits away from the tile, water is getting behind it. Re-caulking is a small job that prevents a very expensive one.
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Failed caulk at a shower pan lets water straight into the subfloor. This is where most bathroom leaks begin.
Black caulk is mold growing in and under the sealant. Cleaning does not fix it — it has to come out.
Corners flex. Grout in a corner cracks; flexible caulk absorbs the movement instead.
Fresh, clean joint lines make a tired bathroom look cared for right away.
Sealant color matched to the grout so the joints read as part of the tilework.
Most re-caulking is a single visit, with a short cure before the shower is usable again.
Expert guides and tips related to this service
Where caulk belongs and where grout belongs in a shower.
Read More →How to tell whether it is the caulk, the grout, or both.
Read More →Why PNW bathrooms need their joints checked more often.
Read More →Professional sealing services in your neighborhood
Common questions about re-caulking
Caulked. Grout is rigid, and corners are exactly where a bathroom moves. Grout in a corner will crack, then let water through. Flexible sealant is the correct material for every internal corner and change of plane.
In a shower that gets daily use, typically every three to five years. Sooner if you are seeing black staining, splitting, or caulk lifting away from the tile.
No, though plenty of people try. New sealant will not bond properly to old, and any mold underneath keeps growing. The old bead has to be cut out completely and the joint cleaned and dried first.
Usually one of three things: it was applied over a damp or dirty joint, the bathroom has poor ventilation, or a non-mold-resistant sealant was used. We prep the joint properly and use mold-resistant sealant, but ventilation matters too.
Most sealants need 24 hours to cure before the joint gets wet. We will tell you exactly what the product we used needs on the day.
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