Stop leaking showers and balconies
without removing tiles

Smart Tips


Tips and news on tiling, sealing, grouting and leaks for all areas - the kitchen, balconies and bathrooms brought to you by SmartSealed

How to prevent leaking showers in strata buildings

Leaking showers can be a significant problem in any building but in strata buildings the consequences of a leaking shower in one unit can be that water spreads to other units in the building. Finding a low cost and effective solution to leaking showers is essential for any strata manager or investment property owner.

What are the problems caused by leaking showers?

There are a number of different problems that can be caused by a leaky shower including damp, mould, staining of floors and carpets and potentially structural damage to the building itself. In multi-storey buildings the scenario of a leaking shower causing issues on the floor beneath is all too common. It’s a problem that needs to be fixed fast.

A cost effective solution to shower leaks

Re-sealing the entire shower and bathroom by taking up tiles and replacing the membrane underneath is not the ideal solution for many strata residents or owners. As well as the cost of completing the work, there is a lot of inconvenience involved, both to the individual unit and the units surrounding it. Many units in strata properties are rented and extensive renovations could mean a loss in rental income.

Sealing the shower with a specialised bathroom sealant can be an ideal solution to the problem of leaking showers. Shower sealing is cost effective, easy to apply and lasts for a long time. Our shower sealing product comes with a 25 year warranty which means you won’t have to worry about leaking showers for a very long time.

We offer a full shower sealing service including water detection and assessment, application of the sealing and removal and replacement of grout. Within 24 hours your residents’ showers can be ready to use again. Call us to find out more about how we can help protect the showers in your strata building.

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Why is my shower leaking?

There are a number of different causes of leaky showers and determining the root of the problem can help you fix it effectively and prevent it happening again in the future. Leaking showers are very common and if left untreated can lead to extensive long term water damage. If your shower is leaking it could be due to one or more of the below reasons:

  • Building movement including expansion and contraction of walls which can lead to cracks in tiles and grout and even damage the waterproof membrane beneath them.
  • Plumbing issues can cause water to leak out of pipes, particularly if the connections are not properly done or there are cracks.
  • Cracked tiles can lead to water seeping out and causing damage underneath.
  • Missing grout can be caused by general wear and tear, building movement and abrasive cleaning chemicals and can lead to leakage.
  • Faulty drain connections from pipes not being connected properly which can lead to water leaking through to the area beneath the drain.

Even a small leak in your shower or anywhere else in the bathroom can lead to long term damage if left for long enough. If you have noticed a water leak in your shower or a problem with mould or damp in the bathroom it is essential to determine the cause and make sure you tackle the problem sooner rather than later.

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How to detect bathroom water leaks

Water leaks in the bathroom can be difficult to detect. If you think you might have a leak it is important to determine the source and take steps to fix it before it leads to long term damage. Professional shower sealing services can help you do this by using specialist equipment to detect water leaks and find out if you have underlying water concealed behind tiles. If you’d prefer to check for leaks yourself in the first instance, here are our suggestions.

Leaks around the shower screen

Dry the area then direct the shower head at the joins between the screen and wall, then check for seepage. If the position of the shower head doesn’t allow for this, you may need to use a hose or other means of directing water onto the shower screen.


A careful inspection of tiles on the floor and other areas may reveal signs of water damage or hairline cracks. Some indicators of water damage include white residue on tiles from water seepage. Cracks in tiles could be from them moving around due to having water underneath.


Damaged grouting can give you a clue as to the source of leaks in your bathroom. Some of the signs of leaky grouting include cracks and broken or missing grout.

The shower

Your water leak may be coming from the shower itself. Test for leaks in the shower base by putting a plug in the drain and filling up the base. Make sure you use water from another tap to fill the shower – that way you’ll be able to tell if the problem is really the shower base or in the nearby plumbing. Once the base is full of water you should be able to see if anything is seeping out.

If you do detect a leak or you suspect you have one but can’t find the source, it is always worth seeking help from the professionals. Even if you can find the leak and fix the problem, water may be concealed behind tiles and cause ongoing damage.

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