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Window & Sealant Replacement
Windows and sealants are frequent weak points for leaks. Our team replaces failed sealants, refurbishes or replaces frames, and performs water testing — sealing the building envelope to stop leaks, improve comfort, and protect adjoining façade elements.

Windows and façade sealants form the first line of defence against water penetration. However, sealants degrade over time — shrinking, cracking, or detaching from substrates. Old or poorly installed window frames may leak, corrode, or fail to meet today’s performance standards. Because windows are often tied directly into the façade, failures here can allow water deep into the building envelope, damaging finishes, structure, and even electrical systems.

Our window and sealant replacement service is designed to restore airtightness, watertightness, and thermal performance across the building façade.

Our Process

  1. Comprehensive Leak Assessment
  2. Using water testing, dye tests, and visual inspection, we identify failed joints, cracked mastic, and leaking frames.
  3. Sealant Removal & Joint Preparation
  4. Old sealant is removed, joints cleaned, and backer rods installed to ensure correct joint geometry for new sealant performance.
  5. Sealant Application
  6. High-performance elastomeric sealants (polyurethane, hybrid, or silicone) are applied according to movement and exposure requirements.
  7. Window Replacement (if required)
  8. For deteriorated or outdated windows, we replace units with modern aluminium, steel, or thermally broken frames — ensuring compliance with NCC and acoustic/thermal requirements.
  9. Perimeter Flashing & Water Management
  10. Where needed, new flashing and water-shedding details are introduced to eliminate leak paths.
  11. Final QA Testing
  12. Water testing verifies that seals and windows perform under realistic storm conditions.

Key Considerations

  • Movement Capability – Sealants must accommodate thermal and structural movement without tearing.
  • Material Compatibility – Some sealants stain stone, leach oils, or fail on plastics/metals if mismatched.
  • Safety & Access – Replacement often requires façade access, lift plans, and temporary weatherproofing.

Value to the Client

  • Stops leaks and prevents internal water damage.
  • Improves occupant comfort with reduced drafts and noise.
  • Upgrades building performance (thermal, acoustic, energy).
  • Increases property value by restoring façade uniformity.
  • Provides compliance with modern standards.

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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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