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DIY seal your shower or balcony without removing tiles

There’s a problem occurring in bathrooms all over Australia and quite often, it’s left untreated for a long time. It’s a leaking shower recess and, speaking from our experience, shower tile waterproofing is a very common service. We see a huge number of these every year and one of the questions we’re asked a lot is if you can DIY seal your shower (or balcony) without removing tiles. The answer is yes … and no.

How to tell if you need shower tile repair

You’ll notice the signs if you pay attention. All of this is the result of a leak in the plumbing behind the walls or under the floor. Naturally, when you discover this or the problem is diagnosed, your first instinct will be to panic that the tiles and walls have to come off. Not so!

  • Cracked, stained or discoloured tiles
  • Mould build-up in the shower
  • Cabinetry swelling
  • Vanity drawers or doors not closing properly
  • Damp or wet carpet or floorboards
  • Musty odour in the air

DIY shower re-sealing or call the professionals?

What’s happening with a leaky shower is that a leak has occurred somewhere that’s out of sight. You can’t simply go waterproofing shower floor tiles when there is a leak behind them. Bathroom tile leak repairs begin with finding out where the leak is and if you don’t have professional water leak detection tools then yes, you will need to remove the tiles and replace them afterwards.

When we come in to do the job, we bring advanced thermal scanning equipment including a camera that is inserted in the wall to quickly locate the leak so we can treat exactly the right spot. You’ll receive a detailed written report and photos to see the damage for yourself. There is no tile removal so the job is quicker, more efficient and cheaper than if you had to do it yourself. Next, we will waterproof your existing shower back to new. In fact, waterproofing over bathroom tiles can be better than new if it wasn’t done properly the first time around!

How is shower waterproofing repair done?

We’ve developed our own 100% effective remedial waterproofing systems and products that guarantee the problem is solved. The shower membrane repair involves removing all old and ineffective grout and injecting with a new waterproofing membrane. All affected areas are given a deep clean to remove surface contaminants and a new layer of EPG epoxy grout is applied. A high quality polyurethane is applied to all joints for maximum sealing followed by two coats of our own proprietary clear waterproofing membrane.

Guaranteed workmanship

Your tiles and grout are guaranteed to remain stain-resistant for up to 10 years or we’ll retreat the surface for free.

Bathroom waterproofing repairs are a specialised task. You may like to tackle it yourself as a DIY job however we genuinely recommend having it professionally done because you have the benefit of a guarantee. As well as full waterproofing membrane replacement services for your leaky shower,

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DIY balcony waterproofing without removing tiles

We’re so lucky to have beautiful weather in Australia which means we spend a lot of time outdoors. A tiled balcony is a fantastic place to sit for meals, to read, have a beer or a glass of wine or just to soak up the rays. Unfortunately, tiled balconies can be afflicted with leaks. Your first thought is probably “Oh no! That means we’re going to have to rip up the tiles to fix it!” Well, not necessarily. DIY balcony waterproofing without removing tiles is possible … but once you read this article, you may decide to call in the professionals.

Symptoms of a leaky balcony

Leaking balcony repairs are usually necessary when the balcony tile waterproofing hasn’t been done correctly in the first place. Or it could simply be a case of wear and tear in an ageing building. Have you noticed any of the following signs of water leaks on your tiled outdoor or rooftop area?

  • Cracked or missing grout
  • Splitting, cracked or peeling paint
  • Discoloured or stained tiles and grout
  • Loose tiles
  • A hollow sound when you walk over a tile
  • Growth of mould or mildew
  • Weakened or loose structural posts or railings
  • Water ‘ponding’ in areas

Where to start with waterproofing balcony

If you are experiencing any of these conditions, you need to get help as soon as possible. Allowing a leak to spread will only worsen the problem and make it harder – and more expensive – to fix. A balcony tile leak repair is the place to start. There’s really no point scrubbing the stains or re-grouting the tiles until the leak is found.

We use a specialised device to detect the leak. Our moisture detection scanning equipment locates the site so we can perform non-destructive repairs and then conduct remedial waterproofing services. This is done without removing tiles, which will no doubt come as a relief to you.

You’ll also be pleased to know that we don’t just leave it at that either. Your balcony waterproofing repair also involves restoring the area so that it looks as good as new. All the old, worn and damaged grout will be removed and the whole surface will be given a thorough clean before re-grouting balcony floor tiles with a new layer of EPG epoxy grout. We use a high quality polyurethane to finish all the internal joints for maximum sealing, to keep water out for good!

Finally, we apply two coats of clear waterproofing membrane and a clear penetrating sealer which will keep your tiles and grout stain resistant for up to 10 years or we’ll return and treat the surface again at no charge.


Good as new and ready for next-day use

To find out more and to see how we work, check out our video which demonstrates balcony waterproofing without removing tiles. Your tiled balcony or rooftop area will be fixed in just a few hours and you will be able to use it the very next day.


United Trade Links is fully licensed and insured. We are reliable and professional and our proprietary ColourSeal waterproofing membrane is guaranteed for 15 years. Don’t choose DIY! Get the job done properly so you won’t have to think it about it for a long time to come.