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How to Fix Cracked Grout in the Shower

Not only is cracked grout in your shower unsightly, it can also cause mold or mildew build up and bigger problems in the future. What may be worse? The cause of your cracked grout could be underlying structural or plumbing issues.

The best thing you can do when you notice cracked grout is to get it fixed right away. Here’s how.

Get your grout ready

Ideally you have (or kept) the same grout used on the original shower tile project. If not, you can take a small sample of your grout to the flooring store so the color and type of grout can be matched.

Clean and prep the area

Once you’re ready to roll your sleeves up, start by inspecting the entire shower for cracks – you don’t want to do all the work on one area, only to discover cracks in other areas later. Mark with painter’s tape to easily find the spots later.

Use a mildew cleaner to remove any mold or mildew that has occurred inside the crack. Then, if necessary, use your regular tile cleaner to remove any remaining soap or scum buildup. (The goal here is to have as clean a surface as possible.)

Remove the grout

Using a grout saw or other grout removal tool, remove the affected area and any broken grout. Clear away the debris with a brush, then a vacuum to ensure there is no remaining dust or broken grout in the space.

Re-grout the area

Now you’re ready to replace the grout. Simply follow our 5-step DIY grouting process to ensure a proper grout job.

If your shower grout is cracking in the corner seams, you may also want to consider using caulk, as the silicone will hold up well to wear and tear within your shower.


Is your cracked grout causing a DIY nightmare? Or simply ready to call in the experts to fix the grout in your shower? Not to worry – we specialize in custom shower restoration services. Get a free quote today!

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With just a little information, we can provide you with a free quote for your grout restoration project.