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NCC 2025 changes and their impact CSR brands' systems.

National Construction Code (NCC) 2025 introduces new Deemed-to-Satisfy (DtS) provisions for external wall cladding systems applicable to Class 1, 2 and 4 buildings located in Climate Zones 6, 7 and 8. Please refer to your relevant State authority for NCC 2025 adoption dates as these vary by jurisdiction.

 

Climate Zone Overview

This map provides an outline of what locations in the country fall under each climate zone. For a closer look, visit ABCB website: Climate zone map | ABCB

NCC 2025 and Our Brands

As Australia’s trusted brand of building solutions, we have proactively assessed the implications of these changes for building design. We have a variety of compliant system solutions across our brands as summarised below: 

FORMWORK SYSTEMS

AFS

Appropriate design detailing can be incorporated into this system when it is used as an external wall leaf to form a drained and ventilated cavity wall system. Contact DesignLINK to discuss your specific project requirements.

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FIBRE CEMENT SYSTEMS

Cemintel

Cavity systems with a cavity of 12 mm or greater, installed in accordance with the applicable product Design and Installation Guide, will comply with the new requirements. Contact DesignLINK to discuss your specific project requirements. 

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AAC SYSTEMS

Hebel

Design detailing is available to provide a compliant solution specific to application and construction methods. Contact DesignLINK to discuss your specific project requirements. 

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Bricks & Stone

PGH

Brick weep slots will be required at closer intervals and openings may be required at the top of walls to meet the new requirement.

NCC 2025 Changes - What it means for Bricks Construction

Need Help?

DesignLINK is a team of professionals, including engineers, architects and building designers, working to provide technical advice to Building Professionals and support project specifications on a range of CSR building systems that include Gyprock, Cemintel, Hebel and AFS.  Our expert team at DesignLINK are just a phone call away.

1800 621 227