Metalcraft Roofing supply the Metclad 850 system as a horizontal and vertical external wall cladding, for use on commercial and residential buildings within the following scope:

Location:

• In wind zones:
• Up to and including Extra High as defined by NZS-3604:2011
• Subject to specific engineering, if the engineer has satisfied themselves that the product, pitch and fixings will meet the conditions
• In all climate zones as defined by NZS-3604:2011, subject to the limitations set out below
• On buildings located within 1m of the relevant boundary, in respect of fire spread only

Building:

• On buildings up to 10m high
• On new buildings that have been designed and constructed to comply with the NZ Building Code (NZBC) using timber or steel framing
• On existing buildings using timber and steel framing where the designer and installer have satisfied themselves that the building is suitable for the intended building work
• On windows that comply with NZS4211:2008
• Outbuildings or detached garages can be direct fixed as per E2/AS1

Location:

• Metclad 850 may be used as a wall cladding system in exposure zones B & C. For use in 'Microclimatic considerations,' (as defined in Sec 4.2.4) refer to Metalcraft Roofing
• Where Metclad 850 is to be used in exposure Zone D, then only Colorsteel® Endura® or Colorsteel® Maxx® may be used

Building:

• Where Metclad 850 is used in an insulated building in conjunction with steel framing, a thermal break is required
• Contact with other materials must be in accordance with Table 21 (E2/AS1), or compatible with the The New Zealand Metal Roofing Manufacturers Association Inc (NZMRM) Code Of  Practice
• Building height and design wind speed is limited by the Metclad 850 design load span tables
• Metclad 850 must be installed in conjunction with a drained cavity

If designed, installed and maintained in accordance with all Metalcraft Roofing requirements, the Metclad 850 External Cladding system will comply with or contribute to compliance with the following provisions of the New Zealand Building Code:

• B1 Structure: B1.3.1, B1.3.2, B1.3.3 (a, b, c, d, g, i)
• B2 Durability: B2.3.1 (b)
• C3 Fire Affecting Areas Beyond the Fire Source: C3.4(a), C3.5, C3.7 (a)
• E2 External Moisture: E2.3.1, E2.3.2, E2.3.7 (a-c)
• F2 Hazardous Building Materials: F2.3.1

See product technical statement for full information.