The rigid underlay, covered with water, air and UV resistant self-adhesive wrap, allows construction work to get started inside the building. Interior and exterior trades can work in parallel to speed up programmes, while protecting the building from weather whilst there is no cladding in place.

• Temporary weather protection for up to 150 days
• Suitable for all wind zones

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Test Results

For scope of use, limitations, conditions and statement of building code compliance, refer to the Masons Intertenancy Wall System PASS Product Statement.

Simple — easy to use, flexible and fast:

The Masons system is construction friendly and designed for simplicity and flexibility. As few as two builders can install the system, and installation can be flowed around other work on-site. No weather protection is needed for the AAC panels when work stops, making on-site storage simple.

Fast — designed for buildability:

The system can be installed up to three stories continuously, without interruption, and there is often no need for extra accessories or fiddly work at mid-floors junctions. Services can be run down the framing on either side of the AAC panels, and materials are carried in smaller parts when site access is difficult. The ACC system is easier for everyone on the job.

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Exceeds code — fully FRR & STC compliant:

• This system meets and/or exceeds the New Zealand Building Code's minimum requirements for both fire resistance rating and sound transmission class.
• It scored a rating of -/120/120 for walls up to 10 m high. FRR -/120/120 for timber frame, and -/90/90 for light steel framing.
• Acoustic engineers Marshall Day reported a lab performance of 64 dB — higher than the minimum STC requirement of 55 dB for intertenancy walls.

For scope of use, limitations, conditions and statement of building code compliance, refer to the Masons Intertenancy Wall System PASS™.

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