Ventia Iron Roof & Wall Underlay 1.37m x 36.5m | Premium Roofing Underlay NZ

Ventia Iron Roof & Wall Underlay 1.37m x 36.5m

Protect your roofing project with the Ventia Iron Roof & Wall Underlay, a premium-quality breathable building underlay designed for use beneath metal roofing and wall cladding. Measuring 1.37 metres wide by 36.5 metres long, this high-performance roofing underlay provides an additional layer of weather protection by helping to manage moisture while allowing water vapour to escape.

Ideal for both new residential construction and commercial roofing projects, Ventia underlay improves the long-term durability of roofing systems by reducing the risk of condensation build-up and helping maintain a dry roof cavity.

Manufactured to meet the demands of New Zealand building conditions, this roof and wall underlay is suitable for installation beneath corrugated iron, trapezoidal, and other metal roofing profiles. Its breathable design promotes airflow while providing excellent resistance against wind-driven rain, dust, and moisture intrusion.

Whether you're a professional roofer or a builder working on renovations or new builds, Ventia Iron Roof & Wall Underlay offers dependable performance, easy installation, and long-lasting protection.

Features

• Premium breathable roof and wall underlay
• Suitable for metal roofing and wall cladding
• Helps control condensation and moisture
• Allows water vapour to escape while resisting external moisture
• Lightweight and easy to install
• Designed for residential and commercial construction
• Suitable for new builds and reroofing projects
• Manufactured for New Zealand building conditions

Specifications

• Brand: Ventia
• Product: Iron Roof & Wall Underlay
• Width: 1.37m
• Length: 36.5m
• Coverage: Approximately 50m²
• Application: Metal roofing and wall systems
• Use: Residential and commercial buildings

Applications

Suitable for:

• Metal roofing
• Corrugated iron roofing
• Long-run roofing
• Steel roof installations
• Wall cladding systems
• Residential homes
• Commercial buildings
• Sheds
• Garages
• Barns
• Workshops

Why Choose Ventia Roof Underlay?

Ventia is recognised for producing reliable roofing products trusted by builders and roofing professionals. This roof underlay helps improve the overall performance of your roofing system by providing an additional protective barrier beneath metal roofing while assisting with moisture management and extending the lifespan of your roof.

Feel free to place your order by emailing us at [email protected] or call us at +64 22 196 9021 – we’d love to hear from you!