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Verra Shield
Covertek 409 Roof Membrane
VerraShield VapourTek Covertek 409
VerraShield VapourTek Covertek 409
VerraShield

Covertek 409 Roof Membrane

VerraShield Covertek 409 is a five-layered roof membrane constructed using two layers of breathable film, and a layer of weave sandwiched between two layers of spun-bonded polyolefin. Titan is fire retardant, absorbant, and breathable.

Covertek 409 is designed as a means of managing condensation, water vapour transfer and water ingress in the most trying conditions including applications where roof pitch is 3 degrees and above.

Key Features & Benefits

  • Heavy duty roof membrane to keep your Building dry, safe and thermally efficient.
  • Roof membrane for residential Class 1 and Class 10 buildings.
  • Suitable for Class 2 to Class 9 buildings constructed with timber and steel framing in accordance with the NCC 2022.
  • For use with masonry tile, metal tile and profiled metal roof cladding.
Water Barrier Membrane
Water Barrier
Air Barrier Membrane
Air Barrier
Fire ​Resistant​ Resistant Membrane
Fire ​Resistant Resistant
Water Vapour Permeable Membrane
Water Vapour Permeable
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Over and Above Roofing Supplies
OAC Supplies
OAC Supplies
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Downloads
Covertek 409 Safety Data Sheet
Covertek 409 Tech Sheet

Frequently Asked Questions

VerraShield Covertek 409 is a heavy-duty, five-layer breathable roof membrane designed to protect buildings from water ingress, condensation, and moisture while improving thermal efficiency. It is suitable for both residential and commercial roofing applications.

VerraShield Covertek 409 is designed for use under:

  • Masonry tile roofs
  • Metal tile roofs
  • Profiled metal roof cladding

It is suitable for timber and steel-framed buildings constructed in accordance with the NCC. 

Yes. VerraShield Covertek 409 contributes to compliance with the National Construction Code (NCC 2022) for damp and weatherproofing requirements in Class 1–10 buildings when installed according to VerraShield installation guidelines.

Yes. The membrane is vapour permeable (Class 4), allowing water vapour to escape while preventing liquid water from entering the roof system. This helps reduce condensation and moisture build-up within roof cavities.

No. VerraShield Covertek 409 is specifically designed as a roof membrane and must not be used as a wall wrap. For wall applications, use a dedicated wall wrap product such as VerraShield Watergate.

The membrane should not be exposed to direct weather or UV light for more than 30 days. Roof cladding should be installed as soon as possible after installation to maintain product performance and warranty.

Yes. VerraShield Covertek 409 is fire retardant and has been tested to AS 1530.2, making it suitable for Australian roofing applications requiring fire performance.

The membrane is suitable for roof pitches of3 degrees and above. It should not be installed on roofs with a pitch below 3 degrees.

No. It is not suitable for unlined applications such as sheds, garages, warehouses, canopies, soffits, or lean-to structures. Using the product in these applications will void the warranty.

The membrane should be installed tightly without creases, with a minimum 150mm overlap between sheets. It should be fixed using appropriate fasteners, installed by a qualified building professional, and follow the VerraShield installation guidelines for the specific roof type.