Magnum Board Rigid Air Barrier

COMPANY: Health Based Building Ltd.

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Appraisal Expiry Date: 30 April 2025

The Magnum Board Rigid Air Barrier system is a mineral sheet-based rigid air barrier to be used over timber framing or light gauge steel framing, for use in wind zones up to and including ‘extra-high’ as defined by NZS3604. It is designed to provide seamless waterproofing and wind-resistant protection of framing and its insulation from high wind environments.

The system consists of Magnum Board sheets with specified nail fixings, using the Thermakraft Thermaflash and Premium Jointing Tape flashing systems to provide an easy to install barrier to moisture and high winds.