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Waterproofing Balconies with Liquid Membrane | Wood, Concrete & More

Waterproofing Balconies with Liquid Membrane | Wood, Concrete & More

You balcony is exposed to everything. Rain, sun, foot traffic, and time can all wear it down. Without the right protective measures, leaks and damage are a big possibility; so whether you're dealing with concrete or wood, waterproofing is a must to protect your balcony. But did you know the right membrane can also act as a waterproof coating and an anti-fracture or crack repair measure?

At SEMCO Works Australia we specialise in liquid waterproofing solutions that are easy to use, effective, and made to last. Here’s what you need to know about keeping your balcony dry and strong.

Why Waterproofing Balconies Matters

Every home owner wants to avoid water damage. Balconies are especially vulnerable due to being exposed to the elements, and often having poor drainage. From staining and mould to more serious structural damage; unprotected balconies can be a costly problem, not to mention a safety hazard.

Another issue is where cracks appear in the surface, allowing moisture to seep in, This is why a two-in-one waterproofing and crack reduction membrane is a vital step before surfacing or re-surfacing your balcony.

Why Liquid Membrane™ is Better Than Traditional Methods

Liquid Membrane™ is becoming Australia’s preferred choice for quick, easy, and effective waterproofing. It’s fast to apply with just a brush or roller, forming a seamless watertight barrier on balconies of all shapes and sizes without taking too much time. Once cured, our formula creates a fully bonded, durable second skin that blocks water and prevents fractures in any new surfacing layers.

It can also be used as a top coat on top of an existing material, resisting UV rays and foot traffic to refresh the appearance of your wooden or concrete balcony.

Benefits of our liquid membrane waterproofing:

  • Seamless application, no joints to fail
  • Excellent adhesion to 15+ substrates including concrete and wood
  • Fast curing and easy application
  • Adapts to temperature swings and structural movement

Waterproofing Wood Balconies

Waterproofing wood balconies (and decks) is one of the most common uses of Liquid Membrane™. Because wood expands and contracts with moisture and temperature, it’s prone to cracking and rot. A liquid system that can elongate and provide anti-fracture protection is key. Our formula is the most flexible on the market (1300% elongation) and forms an extremely breathable barrier that allows wood to move without letting water in. This not only protects the surface but helps preserve the natural look of your deck or balcony.

The Role of Crack Reduction Membranes

Let’s talk more about crack reduction. Balconies often develop hairline cracks over time, for the reasons mentioned above. That’s why we developed a formula with anti-fracture benefits. Our membrane has flexibility in the system, bridging small cracks before they grow. We integrate this layer into our liquid formula to reinforce weak points and protect against long-term damage.

Whether you're restoring an old balcony or building a new one, Liquid Membrane™ can get the job done. This seamless, flexible, and durable waterproofing membrane the best defence against the elements, and the most cost-effective long term. If you’re ready to protect your property with a professional liquid membrane system, start here.