The waterproofing membrane is the unsung hero of balcony systems. Hidden under tiles and screeds, its job is simple: stop water reaching the slab. When it fails, the entire balcony fails.

Common Causes of Failure:

• Incorrect installation or incompatible product selection.
• Poor detailing at thresholds, outlets, and balustrade penetrations.
• Age-related deterioration.
• Shortcuts during original construction.

At Atomic Projects, replacement is carried out with surgical precision.

Our Process:

• Removal
  • Demolish existing tiles and screed without damaging the slab.
  • Expose the failed membrane, usually brittle, delaminated, or poorly detailed.
• Substrate Repairs
  • Patch cracks and repair spalling concrete.
  • Ensure smooth, primed surfaces for adhesion.
• Membrane Application
  • Choose sheet (heat-welded laps) or liquid (multiple coats with fabric reinforcement) depending on project.
  • Pay special attention to high-risk zones: corners, thresholds, balustrade fixings, and drainage outlets.
• Quality Assurance
  • Allow proper curing under controlled conditions.
  • Perform flood tests and adhesion checks before finishes go back on.

Why Membrane Replacement is Essential:

• Longevity – Properly installed membranes last 15–20 years with maintenance.
• Compliance – Meets Australian Standards (AS4654) and manufacturer requirements.
• Peace of Mind – Eliminates the root cause of leaks, not just symptoms.

Waterproofing defects are the #1 cause of building disputes in Australia. A new, compliant membrane is not just a repair — it’s the foundation that protects the entire property’s value.

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If you’re ready to get started, we're ready to help.

Take the next step and let’s build something that lasts.

📞 Call Us: 0410 515 509

✉️ Email Us: hello@atomicprojects.com.au

— Ben Tran, General Manager, Atomic Projects

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