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Pressure Equalized Open Joint Cladding System - RS1000


Introduction
 

The Thermosash RS1000 suite is an engineered cavity rainscreen cladding system, incorporating a unique cavity creating bracketing system. The suite most commonly utilises ACP (Aluminium Composite Panel) as the rainscreen material, but equally also can incorporate almost any other solid metal or ACP type material, such as a cassette cartridge in zinc, stainless steel, terracotta or powder coated aluminum etc.

The RS1000 suite requires a formed air barrier wall (Rigid Air Barrier - RAB) located behind with a suitably considered primary structure (concrete panel, timber or teel framing) to receive the cladding rail system. The system joints are Pressure Equalized Open Joint providing the opportunity to overclad buildings and provide a modern sophisticated appearance for a relatively low cost, where an existing durable wall already exists.

A typical installation uses a rail system that allows the off-site prefabricated panels to 'hook-on' and often requires external access such as scaffolding.  It is best suited to lowrise applications due to the limitations of RABs in multi-storey applications.

Product Features

  • Pressure Equalized Open Joint system.
  • Engineered cavity cladding system. 
  • Prefabricated off-site.
  • Drained cavity system. 
  • Economic refurbishment and overclad solution.
  • Engineered panels ensure longevity from delamination or folded corner metal fatigue.
  • Offers integration with other Thermosash suites and accessories.
  • All projects are in-house engineered and fully shop drawn reducing the amount of detailing required by the architectural documenter.

NB: The WS1000 and RS1000 suites both require a fully constructed wall with air barrier installed to a coordinated design. The air barrier wall should include insulation and all flashings required to meet the requirements of the New Zealand Building Code. Due to the limitations of some building wraps to withstand high wind loads, Thermosash recommends a rigid air barrier (RAB) where calculated. Due to the movement such as wind, live loading or seismic that buildings can be subjected to, Thermosash reccomends that RAB detailing should compensate for the movement in flashings and fixings so the RAB does not suffer air leakage and therefore potential moisture transfer through rainscreen cladding systems.

Section Sizes

The Designer should allow a zone from the face of the air barrier 60mm.

Panel size limitations are calculated on the project location (wind zone / seismic), height, primary structure movement calcualtions (ULS) and eventual material selection.

Specification 

We recommend using Masterspec 4251TS Commercial Windows when specifying this suite.

Surface Finishing
 

Polyester powdercoat  - Both standard and special colours available.
Anodised - All anodised colours available - commercial grade 20 micron finish recommended.
PVF2 Flourocarbon finishes - Available on request (Standard with ACM option).

Performance / Testing

  • AS/NZS1170 (Structural Design Actions)
  • NZS4223 (Glazing in Buildings)
  • NZS/AS4284:2008 (Water / Air Pressure/ Air Leakage)

Maximum Spanning Ability

Thermosash specifically engineers the best suite option for your project taking into consideration span, structural system, load imposed by the cassettes and wind loading. The spanning ability will vary depending on the above. 

Thermosash Suites are recognized as having the largest spanning systems on the market due to our specific engineering capability and the customised nature of the work we complete.

Warranty

The standard warranty is 5 years from the date of practical completion for these products. This covers workmanship and weather tightness, providing the subcontract includes fabrication, installation and glazing of all components. 

Downloads Available 
Please go to our resource section or click below for the relevant downloads: 
RS1000 System

Other References 
WS1000
  Cassette cladding systems  Unitised low rise panels

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