The Masons Intertenancy Wall System is an acoustic and fire rated wall system for use in medium and high density residential/commercial developments such as townhouses, terraced housing and apartments.

Details
  • Category
    Concrete Formwork
  • Brand
    Masons
Specifications

Masons Enviro™ AAC panel is a 50 mm thick AAC panel (have been tested to AS/NZS1530.1), manufactured from cement, sand, lime and water and aerated by the addition of an expanding agent. Soft blocks are moulded using the mixture and then sliced into the required panel size and cured in a steam pressure autoclave for up to 12 hours.   

  • 50mm panel - total wall thickness 250mm
  • FRL of 90/90/90 with STD 10mm Plastaboard
  • Acoustic Performance STC 64
  • Discontinuous construction
  • Quick to install - 80m+ per day
  • Unaffected by weather during construction
  • No specialist installers required
  • Cost effective

The Masons Intertenancy Wall System has a fire rating of 90/90/90 and estimated laboratory acoustic STC performance of 64 dB where timber framing and lightweight steel framing are used.

Scope of use

For use in high density residential/commercial developments such as townhouses, terraced housing and apartments. 

Performance

The system utilizes the acoustic and fire stopping benefits of the Masons Enviro™ AAC panel (Autoclaved Aerated Concrete) stood between timber or steel framed walls and lined with mineral wool insulation, and standard plasterboard.

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.

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About the
Seller

In New Zealand, our rich history is marked by a strong tradition of innovation and accomplishment. Masons embodies this ethos, founded on the principle of elevating the quality of New Zealand’s building products through a commitment to innovation and resourceful thinking.

Since being established in 1999, Masons has become a key supplier in the New Zealand building industry, offering a variety of quality systems and products for a whole range of building requirements.

Masons offers an extensive range of exterior building products from the frame out, including high-performance flexible wall and roof underlays, a rigid self-adhesive weather-resistant air barrier, panel cladding systems for wall and floor, as well as intertenancy walls. 

Masons also offers a range of construction hardware and accessories, including the Masons/Redway E2 range of cavity closers and flashings, along with masonry veneer ties and reinforcement products