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Roof Flashing & Capping Repairs
Inspect, repair, and replace deteriorated flashings and ridge cappings to ensure watertight junctions at roof edges, valleys, and penetrations, preventing water ingress at the most vulnerable points of your roofing system.

Roof flashings and cappings are the critical seals between your roofing and adjoining structures. Positioned along ridges, valleys, parapets, skylights, and penetrations, they prevent wind-driven rain from breaching the roof envelope. Even the smallest defect — a cracked seal, loose screw, or corrosion pinhole — can lead to leaks that spread through insulation, ceilings, and wall cavities.

At Atomic Projects, we don’t just patch flashing issues — we re-engineer them for long-term resilience. Every repair or replacement is carried out with precision fabrication, premium materials, and an understanding of water flow dynamics under real-world storm conditions.

Our Flashing & Capping Repair Process

  1. Detailed Inspection
    • Identify corrosion, sealant degradation, loose fasteners, or deformation from movement.
    • Use drone and close-up inspection to capture hard-to-access areas.
  2. Substrate Assessment
    • Check for rot or corrosion beneath flashings caused by prolonged leaks.
    • Rectify any underlying damage before reinstallation.
  3. Custom Fabrication
    • Manufacture replacement flashings from Colorbond Ultra, stainless steel, or copper to match aesthetics and resist corrosion.
    • Shape to exact site dimensions for a tight, wind-resistant fit.
  4. Installation & Sealing
    • Fit new flashings with concealed or sealed fixings to reduce penetration points.
    • Use high-performance, UV-resistant sealants for joints and overlaps.
  5. Ridge Capping Repairs
    • Remove and re-bed ridge cappings where mortar has cracked or failed.
    • Install modern flexible pointing compounds for movement tolerance.
  6. Waterflow Testing
    • Conduct controlled hose testing to verify full watertight performance before handover.

Common Flashing & Capping Issues

  • Rust perforation at corners and folds.
  • Loose or missing screws from wind uplift.
  • Failed sealant at overlaps.
  • Inadequate overlap length or coverage.
  • Mortar bedding on ridge cappings cracked or missing.

Why Choose Atomic Projects for Flashing Repairs

  • Precision Metalwork: All flashings fabricated to exact dimensions for your building.
  • Long-Term Sealing Solutions: UV-stable sealants and flexible compounds that outlast standard repairs.
  • Integrated Roof Expertise: Repairs coordinated with roof sheeting, membrane, and drainage upgrades.
  • Preventative Approach: We identify and address all at-risk flashings in one mobilisation.

When repaired to the right standard, roof flashings and cappings can last decades, protecting your building from the relentless combination of wind, rain, and UV. Done poorly, they become the first point of failure in a roofing system. Atomic Projects ensures they remain your roof’s strongest defence.

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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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