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Hunter Douglas Rainscreen systems
Description

The NBK Terracotta and QuadroClad Aluminium systems that utilise the same dual sub-frame system allowing for easy transition between the Terracotta and Aluminium, giving you even greater design flexibility and allowing for a completely unique design. 

NBK Terracotta is a ventilated curtain wall/rain screen system with exposed components made exclusively from terracotta. The systems moves water away from building envelope, using a ventilated and pressure-equalised system. Natural chimney effects not only keep the building dry to reduce maintenance, but also help save energy. The NBK Terracotta support system — a patented development within the NBK product range — comprises a few individual components using 6063-T5 alloy, ensures excellent integration of the system. Qualified NBK engineers design the Support System on a project-by-project basis to accommodate site specific Design, Seismic and wind-load requirements. 

Hunter Douglas QuadroClad Aluminium is ventilated rain-screen system. Aluminium honeycomb structure sandwiched between aluminium skin. The external skin is 1.0mm thick, and the internal skin is 0.5mm thick. The skins and honeycomb are bonded together with a durable adhesive to create a panel designed to withstand high pressure and sheer force. The panels are available in a range of sizes up to a maximum of 1550mm wide x 6000mm long. They are also available in thickness of 10mm to 35mm. 

Key Features

NBK:

  • Durability — lifespan of 50 years
  • Marine grade alloy rail system, rust and corrosion resistant — Perfect for NZ's harsh conditions
  • Low maintenance — annual washdown completes the maintenance program
  • Rainscreen system repels 95% of water ingress providing extra protection against the elements
  • The low percentage of water absorption ensures that dirt does not penetrate the tile and make it look dirty
  • Inert material colour that will not fade with time
  • Outstanding colour consistency
  • Uses no sealants and is graffiti resistant

QuadroClad:

  • Easy to adapt to specific project requirements
  • Highly durable, fast and efficient installation
  • Aluminium honeycomb core
  • Lightweight (5.3kg/m2 to 7.5kg/m2)
  • Panels up to 1550mm x 6000mm, and virtually any shape possible: trapezoidal, curved, cranked etc
  • 100% recyclable
  • Colours, shapes and detail offered design freedom
  • Low maintenance
  • Complaint to NZ Building Code
  • Sub-frame compatible with Hunter Douglas NBK Terracotta 
NZ-Owned Business
NZ-Owned Business
Scope of Use

NBK:

  • Ideal for new construction, over cladding and recladding projects
  • Can be applied to facades, interior walls, soffits, window reveals, parapets, roofs
  • Windloads: tested to withstand up to 4.2 kpa
  • Seismic loads: tested to withstand up to 100mm of inter-story drift and seismic racking

QuadroClad:

  • In wind zones up to and including very high as designed in NZS 3604:2011 or to a wind design pressure (ULS) of (conversion 2000 N/m2) to 2.0 kPa.
  • In all exposure zones as defined in NZS 3604:2011
  • On buildings any proximity to a relevant boundary
  • In conjunction with a primary structure that complied with the NZ Building Code or where the deisgner or installer have satisfied themselves that the existing structure is suitable for the intended work
  •  
Limitations on Use

QuadroClad:

  • Wind pressure allowed determined by the length of the horizontal span modules as prescribed in the QuadroClad Facades Technical Brochure
  • Where QuadroClad is used on a building with an exposed eaves detail or where adverse microclimatic conditions (as set out in paragraph 4.2.4. NZS 3604:2011) apply, contact a Jacobsen representative for technical advice.
  • The QuadroClad Facade systems must be installed in accordance with NFPA 285 testing and Intertek evaluation
  • QuadroClad is an open rainscreen so must be installed over a rigid, moisture resistive air barrier that complies with the NZ Building Code.
Statement of Building Code Compliance

NBK:

  • B1 Structure: Seismic Performance Evaluation Report dated 21-01-08
  • B2 Durability: Verification of Conformity Certificate No. 1N-XM-CP-5612 in accordance with EN 14411:2012 Ceramic tiles – Definitions, classification, characteristics and marking. Test Report No. XMCCM140900848 in accordance with EN 1441:2012. Test Report No. 2008-12-3662-03 - Proof of practical experience of the bearing capacity of tiles in accordance with DIN 18516-1 Impact Test Report No. 12871 in accordance with BS 8200:1985. UV Exposure – natural product, does not require testing. Standard 15yr Warranty with working life in excess of 50 years. 
  • C Fire Safety: ceramic material, non-combustible so doesn't require testing
  • E2 External Moisture:  Weathertightness Design – when used as a rain screen as part of a drained vented cavity system with an air barrier. Tested to AAMA509-09 – achieved lowest classification for water entry, W1. Achieved good air flow classification, V6. (Note both water and ventilation scales range from 1-11). Tested successfully from -4.3KPa to +4.7KPa. 

QuadroClad:

B1 Structure: B1.3.1, B1.3.2, B1.3.3(a), (b), (c), (f), (h), (i), (j), (m).

  • Tested to ECCA test method to withstand a 1.5T bend through 180 degrees without damage.
  • Seismic performance of a facade wall. Sirve evaluation (January 2008), DICTUC accredited.

B2 Durability: B2.3.1 (a), B2.3.2 (a).

  • Tested by BDA Advises of a facade EN ISO: 2012. Corrosion metals and alloys.

C3 Fire affecting areas beyond the fire source: C3.4 (a), C3.5, C3.7 (a).

  • Tested by SIrm QAS to Bs476: Parts 6 1989 + AI: 2009 and Part 7 1997. Achieved material 1 rating.
  • SIRM QAS is ILAC-MRa accredited
  • Tested by Intertek to CAN/ULC-3134-13 and NFPA 285
  • Aluminium is non-combustible (refer definitions C/AS2 June 2019, ist Edition)

E2 External Moisture: E2.32, E2.3.5, E2.3.7 (a), (b), (c)

  • Shawn McIssac. Oculus. (Nov 2019). Evaluation against AAMA 509-09

F2 Hazardous Building Materials: F2.3.1

  • The coating system is inert once dry
  • Aluminium does not contain or emit any harmful concentrations
In-Service History

NBK Terracotta has been used throughout the world since 1927.  In 2007 it was purchased by Hunter Douglas — reknowned for their innovation and quality architectural products. 

A few of the projects in New Zealand that have featured NBK Terracotta:

  • US Embassy, Wellington
  • KEB Buildings, Christchurch 
  • Bellus Apartments, Auckland 
  • Napier Lane Townhouses, Auckland 
  • Pinesong Apartments, Auckland 
  • Private Residence, Far North 
Independent Assessment
Independent Assessment
Test Results
Test Results
Documents
QuadroClad QC2000 Typical Detail Drawings
NBK Technical Statement
QuadroClad PASS Accreditation

No. 19058

NBK Technical Datasheet
NBK Fire Test BS476: Part 6
NBK Fire Test BS476: Part 7
NBK Terracotta PASS Accreditation

No. 19059

HD Facade Systems
NBK Brochure
QuadroClad Facade Technical Brochure

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