
Shower grout repair and regrouting — we remove cracked, crumbled or mouldy grout and replace it with fresh, properly sealed grout for a uniform, watertight shower. We serve homeowners and businesses across San Diego, Orange County and Los Angeles, restoring showers to a clean, protected, like-new finish.
Movement, age and poor original installation crack the grout, which then crumbles and leaves gaps that channel water behind the tile.
Porous, stained grout holds mould roots below the surface, so it regrows within days of a standard clean until the grout is renewed.
Grout at the shower floor that stays dark or soft has absorbed water and may be failing — a warning sign for substrate damage below.
Leaks appearing outside the shower or on the wall below often trace back to failed grout joints letting water through.
Fresh, properly sealed grout for a uniform, watertight shower.
We identify which joints are failing and why — movement, water behind the wall, or simple age — so the repair actually lasts.
Cracked, crumbling and mouldy grout is removed cleanly from the joints down to sound substrate without damaging the tile edges.
Joints are repacked with properly mixed, colour-matched grout and tooled to a uniform finish.
The tile face is cleaned of residue and the new grout is sealed once cured to resist future staining.

Grout is the watertight backbone of a shower, and across Southern California's hard-water region it's the first thing to fail — cracking, crumbling and staining as minerals and movement take their toll. Failed grout isn't just cosmetic: it's the most common path for water to reach the substrate and cause hidden damage, so prompt repair protects both the shower and the structure behind it.
Let new grout fully cure (24–72 hours) before using the shower. Once cured, seal the grout and re-seal annually. Use pH-neutral cleaners and a soft brush — avoid stiff brushes and acidic products that erode the joints.
We apply this service to every type of shower material — from ceramic and porcelain to marble, travertine, slate and granite. Select your shower material below to see how we treat it.
We restore showers across all of Southern California. Pick your area to see this service near you.
Cracks, crumbling, dark staining that won't clean, or mould at the joints are signs the grout should be repaired before water reaches the substrate.
Get a free quote from Southern California's shower cleaning, sealing and restoration specialists.