how to fix a leaking balcony

Does My Leaking Balcony Need Waterproofing?

Posted on 2020-07-14

There’s nothing Aussies love more than having a beer on the balcony, patio, veranda, porch or any other word you use to describe that perfect outdoor area that the summer sun hits just right each time you’re ready check out. Unfortunately, due to a balconies exposure to the elements they are the most susceptible to waterproofing failures. Therefore, every Aussie should understand the consequences of an untreated leaking balcony.

There are a multitude of reasons as what causes a leaking balcony including: dodgy construction work, lack of maintenance, poor water drainage, the failure of membranes and natural building movements, just to name a few.

Here’s our guide on how to fix leaking balcony.


It goes without saying that prevention is better than cure. So, when your balcony is being constructed the correct care and preparation must go into planning. And while we love the “my-father-built-this-house-with-his-bare-hands” sentiment, perhaps this is one you best leave up to the professionals. Megasealed’s team of professionals with over 25 years experience adhere to the building codes and compliance standards from the outset because we understand that shortcuts can result in some very costly headaches. Due to improper balcony waterproofing leading to leaks, compromising the structural integrity of a home, and eventually leading to collapse.

Perhaps your best course of prevention is Megasealed’s cost-effective ISO accredited sealing system, in which they apply a sealant both over and under leaking tiles to produce a full seal. Get it done right the first time and save you and your family time and money in the long run.


If you don’t have the luxury of building your balcony from scratch and cure is your only option, make sure you do a thorough inspection for balcony leaks. Better yet, get a Megasealed technician to save you money and trouble by using our revolutionary Thermal Imaging Water Detection Technology to identify those sinister leaks you can’t see, and catch moisture intrusions at the source.

After leak detection it important to act fast as to not cause further damage to your waterproofing membrane. That’s why Megasealed has you covered with our cost-effective Standard Service in which we use our award-winning liquid repair membrane sealant Megabloc, to help repair damaged membranes and have you waterproof in no time.

Alternatively, you can get our Tile Over Tile Service which includes priming, waterproofing and retiling the existing surface to elevate your balcony to the next level. Call Megasealed at 1300 658 007 and get a FREE quote today and let us help you get back to enjoying golden hour with a beer in hand.