Melbourne's leaking shower experts 10-year warranty
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Shower Problems

Cracked grout in the shower

Cracked grout lines are one of the most common signs of shower deterioration. If you are searching for cracked shower grout repair in Melbourne, early repair can help prevent leaks, mould growth, and costly structural damage.

What to know

Everything you need to know about cracked shower grout

Cracked grout is more than a cosmetic issue. Once grout lines open, water can move behind tiles and into wall and floor junctions, so timely shower grout repair is important for both appearance and waterproof performance.

Why it happens

Movement, moisture and age break grout down

Grout can crack from substrate movement, poor installation, harsh cleaning chemicals, and years of wet-dry cycles that weaken joints in high-use showers.

What it looks like

Hairline cracks, missing joints and loose grout

Common signs include fine fractures, crumbling lines, gaps between tiles, dark damp patches, and grout sections that fall out under light pressure.

If you leave it

Moisture can track behind tiles and membranes

Ignoring cracked grout can allow ongoing water entry, which may contribute to mould, odours, swollen skirting, and recurring leaks that are harder to diagnose later.

How we approach it

We repair failed grout and assess the full shower

Effective cracked grout repair means removing loose sections, preparing joints properly, regrouting, and checking whether broader waterproofing issues are also present.

Technician repairing cracked grout lines in a tiled shower
Why this matters

"Cracked grout repairs last longer when the cause is fixed, not just the visible crack."

Professional regrouting

Long-term cracked grout repair starts with proper joint preparation

Many showers are patched with quick cosmetic fixes that fail again. We focus on durable shower grout repair by removing unstable grout, preparing joints correctly, and applying the right regrouting method for the tile and usage conditions.

Loose or cracked grout is removed without damaging surrounding tiles
Joints are cleaned and checked for moisture or movement issues
New grout and sealing are applied for a clean, durable finish
Get cracked grout repair advice
How we fix it

Our 4-step cracked grout repair process

1

Inspect grout and tile joints

We assess cracked areas, identify moisture paths, and check whether movement or substrate issues are causing repeated failure.

2

Remove failed grout

Loose, crumbling, and fractured grout is carefully removed so the new material can bond correctly.

3

Regrout and seal

Fresh grout is applied evenly, finished cleanly, and sealed where needed to improve durability and water resistance.

4

Recommend next actions

If cracked grout indicates a bigger leak issue, we explain practical next steps so you can repair it properly.

Real Results

Before and after

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Epoxy before Epoxy after
Shower Clean before Shower Clean after
Shower Rebuild before Shower Rebuild after
Shower Regrout before Shower Regrout after
10

Our 10-year warranty

We provide a 10-year warranty on eligible repair work. We explain the warranty terms before work begins, so you know what is covered. If a covered issue comes up within 10 years, we will return and address it under our warranty terms.

FAQs

Common questions about cracked shower grout

Straight answers about causes, urgency, and what to expect from professional grout repair.

Yes. Cracked grout can let water pass behind tiles, especially in frequently wet areas. Early cracked grout repair reduces the risk of hidden moisture damage.

Small cosmetic patches are possible, but many DIY repairs fail because unstable grout or moisture remains underneath. Professional shower grout repair addresses the underlying cause.

Not always. Many showers can be repaired by removing and replacing failed grout lines before the problem spreads into loose tiles or deeper waterproofing failure.
What our customers say

Customer reviews

See why Melbourne homeowners trust Shiny Shower for rebuilds, leaks, and other shower repairs.

SM
Simon Muzyk Elwood

This rebuild is a massive improvement on what we had before. The previous shower was done badly and ended up leaking into the timber underneath, so we needed it rebuilt properly from scratch. You can tell straight away this one’s been done with a…This rebuild is a massive improvement on what we had before. The previous shower was done badly and ended up leaking into the timber underneath, so we needed it rebuilt properly from scratch. You can tell straight away this one’s been done with a lot more care. The falls to the drain are spot on, it looks clean, and the whole base feels solid. Honestly, such a relief to have it fixed properly by actual professionals. I very much recommend Daniel and Shiny Showers for your shower work :) Thank you Daniel and your amazing team.

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Anthony Di Berardino Doreen

Daniel came out regrout and recaulk our two showers and the whole experience was seamless. He was clear about the scope from the start, delivered a flawless finish, and kept everything clean and professional throughout. Couldn’t fault the service…Daniel came out regrout and recaulk our two showers and the whole experience was seamless. He was clear about the scope from the start, delivered a flawless finish, and kept everything clean and professional throughout. Couldn’t fault the service & would absolutely recommend.

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Brendan Greenwood Thornbury

Shiny Shower came out to do a leak detection, found the source of the leak, and then fixed it. There was a lot of mould and rotten wood underneath, so they had to remove the shower base and redo the waterproofing properly! It made a huge difference!…Shiny Shower came out to do a leak detection, found the source of the leak, and then fixed it. There was a lot of mould and rotten wood underneath, so they had to remove the shower base and redo the waterproofing properly! It made a huge difference! I've got before and after photos and the improvement is very clear! They also sorted a few cracked tiles in another bathroom as part of a separate shower repair. Everything was done quickly and Daniel was very professional. 5/5 stars!

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Michael Licciardi Wollert

Got our shower redid and really happy with how it turned out. The tiles look great and we went with that light stone colour and it came up better than we expected. Everything lined up properly and the finish is nice and clean. They also added the…Got our shower redid and really happy with how it turned out. The tiles look great and we went with that light stone colour and it came up better than we expected. Everything lined up properly and the finish is nice and clean. They also added the little shelf in the wall which is actually super handy. Job was done on time and no issues at all.

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Frank Maxwell Airport West
Trustpilot
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I’m very happy with the results. Loose tiles are now solid and the grouting looks fantastic overall. A very professional job. Time was important to me and you started and completed the job as planned. Thanks again, guys. Much appreciated.

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Jake Carabott Epping

Our new shower screen is clean and makes the whole space feel bigger, and the new tiles are perfect for our shower. Everything feels solid and well finished, and the drainage actually works properly now which was a big issue before. It was a big…Our new shower screen is clean and makes the whole space feel bigger, and the new tiles are perfect for our shower. Everything feels solid and well finished, and the drainage actually works properly now which was a big issue before. It was a big rebuild but it only took a few days. Daniel and his team were easy to deal with and kept things tidy while working.. We shouted them lunch and they were very grateful. Amazing team. Would recommend again!

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Nikki Cameron Lalor
Trustpilot
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Daniel and his team recently completed a full shower remodel for my house. Daniel is efficient, hard working and makes sure everything is up to the highest standard. He kept me involved in all steps and explained everything in simple terms. My…Daniel and his team recently completed a full shower remodel for my house. Daniel is efficient, hard working and makes sure everything is up to the highest standard. He kept me involved in all steps and explained everything in simple terms. My shower looks amazing and I am extremely happy. Thank you Shiny Shower!

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Marina Perera Melbourne

The boys did a really good job on the shower rebuild. Very grateful to Shiny Shower.

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Kenneth McArthur St Kilda East

I have no hesitation in recommending Daniel of Shiny Shower. I requested a complete shower rebuild of my shower in an older style apartment block. Daniel, the installer, was a great communicator and explained the process, every step of the way. This…I have no hesitation in recommending Daniel of Shiny Shower. I requested a complete shower rebuild of my shower in an older style apartment block. Daniel, the installer, was a great communicator and explained the process, every step of the way. This company is professional, experienced, and does high-quality tiling and certificated waterproofing work. The result was a very smart looking ultra modern shower. If ever I need a shower rebuild service into the future, I will be calling them again.

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JT
Jimmy Thomas Mernda

Daniel and his team were excellent from the very beginning. The entire experience was outstanding. From the initial quote and booking process to the timely completion of the work and testing afterward. Their professionalism, communication, and…Daniel and his team were excellent from the very beginning. The entire experience was outstanding. From the initial quote and booking process to the timely completion of the work and testing afterward. Their professionalism, communication, and attention to detail made the renovation process smooth and stress-free. I would highly recommend Shiny Shower to anyone planning a bathroom renovation or shower rebuild.

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Tamer Soliman Moorabbin

Put on new white grout which has made a huge difference to our shower tiles. Lucky it wasnt a leak as we cant find these tiles anywhere anymore. Daniel did a comprehensive leak detection test to make sure and it put my mind at ease before the job.

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Dion Zito Epping

A beautiful job by the shiny shower team. Perfect craftsmanship, I am very impressed. It isn't looking like new tiles for our shower floor.

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Olivia Reid Collingwood

I couldn’t be happier with the service! The quality of the grouting work was excellent — everything looks clean, precise, and completely refreshed. You can tell they take real pride in their work and pay attention to the small details. What…I couldn’t be happier with the service! The quality of the grouting work was excellent — everything looks clean, precise, and completely refreshed. You can tell they take real pride in their work and pay attention to the small details. What really stood out was going above and beyond! They even did the silicone around my basin at no extra cost, which was such a thoughtful touch and made a big difference to the overall finish. Professional, efficient, and genuinely lovely to deal with. I’d highly recommend them to anyone needing grouting or sealing work done!

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Irena Tarvid Greensborough

Excellent job, professionally done. Attention to detail, friendly service, you can't ask for more. The house was brand new in 1995, this is the second job to freshen up the shower, to re-grout and eradicate mould. Many thanks!!!

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Leonie Verrell Berwick
Trustpilot
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We were very happy with their service. Daniel and Mark were very cooperative, efficient and friendly.

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Anjani Tarneit
Trustpilot
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I’m very happy with the service from Shiny Shower. We had a leaking shower and were having trouble finding the exact cause. The team carefully inspected the shower and identified that the problem was coming from the shower screen. They did a…I’m very happy with the service from Shiny Shower. We had a leaking shower and were having trouble finding the exact cause. The team carefully inspected the shower and identified that the problem was coming from the shower screen. They did a great job fixing the issue, including regrouting and resealing the shower. Their work was professional, thorough and neatly done. They explained the problem clearly and made sure everything was properly fixed. I really appreciate their excellent service and attention to detail. Highly recommend Shiny Shower to anyone having shower leaks or waterproofing issues. Thank you for the great work!

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Sam Lando Balwyn North

Shiny Shower lived up to their name. Daniel did a great job, and the end result was magnificent. The shower looked brand new, as if it's never been used. Great job!

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Leigh White Greensborough
Trustpilot
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Peter and Dee did a perfect job re-grouting and sealing two showers. Thanks for all your help!

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Nikki Cameron Lalor

Daniel and his team recently completed a full shower remodel for my house. Daniel is efficient, hard working and makes sure everything is up to the highest standard. He kept me involved in all steps and explained everything in simple terms. My…Daniel and his team recently completed a full shower remodel for my house. Daniel is efficient, hard working and makes sure everything is up to the highest standard. He kept me involved in all steps and explained everything in simple terms. My shower looks amazing and I am extremely happy. Thank you Shiny Shower!

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JG
Josh Gualano Wollert

Very happy with this one. Peter helped make sure the tiles matched the rest of the bathroom, and the niche came up great too. Looks really classy. Thanks guys

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