Cor-Vent^® Roof Ventilation Device

What is Cor-Vent®?

Cor-Vent® is a passive Roof Ventilation device with compliance to Code NCC2022 ABCB housing Provision Part 10.8.3 & Vol1 F8D5 requirements. Designed to allow passive airflow over fascia and pliable membrane (sarking) or flashing to reduce the risk of moisture and condensation in the roof attic.

Cor-Vent® Range

We offer Cor-Vent® products that cater to various roof pitches from 0°~75°.

Design

Cor-Vent® products are made from Australian made fluted polypropylene board (Corflute®); a robust substrate perfectly suited to roof ventilation requirements.

The Cor-Vent® 8K and 5K products include a 45° cut on both open ends (flute openings). Cor-Vent® 25K product has a 90° cut on both ends. The open ‘flutes’ improves airflow and helps avoid possible blockage from overlapped sarking.

Installation

Cor-Vent® product installations do not require any special tools, training, or major changes to the roof build. Cor-Vent® Installation Guides are included in the Product Information Download Forms above.

Certification

Cor-Vent® meets the DTS airflow opening requirements per NC2022, including BAL Zones.

Contact our Cor-Vent® specialists for additional information at building@corex.com.au or download Cor-Vent® Order Form below.

Image: Cor-Vent® 8K FR BAL 200. For standard pitch roofs – 15°~75°. Cor-Vent® is Australian designed and made locally from Corflute®. Patent pending: 541217AU

Updated roof space ventilation requirements

Cor-Vent® satisfies Compliance Code NCC2022 ABCB housing Provision Part 10.8.3 & Vol1 F8D5 requirements.

1. Minimum 20 mm gap maintained between insulation and sarking.
2. Eave ventilation opening in accordance with Table 10.8.3.

General features of the Cor-Vent® range

• Applies to ventilation requirements for climate zones 6, 7 and 8
• Designed for roof pitch from 0° to 75°
• Light weight and engineered from Corflute®
• Made from recyclable polypropylene (PP)
• Easy to install and offered in 2.5-meter lengths
• Can be screwed or bonded to battens or rafters

Flame Retardant variant

• FR grade to AS1530.3 **

Image: Cor-Vent® Standard 8K 200 for pitch roofs 15°~75°.

Cor-Vent® Standard Pitch. 15°~75° Pitch Roofs – Steel

• Cor-Vent 8K meets DTS 7000mm²/m installed along the two longest horizontals calculation based on the longest planned dimension of the roof.
• Cor-Vent 5K meets DTS 5000mm²/m installed on one side (high level) but typical to install on both sides.

Image: Cor-Vent 8K – Hip Roof. Installed with sarking & clips

Image: Cor-Vent 8K – Hip Roof – Cladding installation

Cor-Vent® Low Pitch. 0°~15° Pitch Roofs – Steel

• Cor-Vent 25K meets DTS 25000mm²/m installed along the longest building length and opposite ends for skillion roof < 10°.
• Cor-Vent 25K meets DTS 25000mm²/m installed along the longest length on low level in conjunction with Cor-Vent 5K on high level for roof pitch < 10°~15°.

Image: Cor-Vent® 25K– Standard version with 10mm packer.

Image: Cor-Vent® 25K FR-BAL