Metalcraft Roofing supply the Bevelback Weatherboard System as a horizontal external wall cladding on residential and commercial buildings for use 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 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
• In conjunction with a vapour permeable building wrap that has a permeability of 36g/m2/day of a vapour resistance of no more than 500MNs/g

Location:

• Bevelback Weatherboard may be used as a wall cladding system in exposure zones B & C. Where Bevelback Weatherboard is to be used in exposure Zone D, then only Colorsteel Endura or Colorsteel Maxx may be used

Building:

• Where Bevelback Weatherboards are 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 Bevelback Weatherboard design load span tables
• Where a building is insulated, Bevelback Weatherboards must always be installed in conjunction with a ventilated and drained cavity
• Outbuildings or detached garages can be direct fixed as per E2/AS1

If designed, installed and maintained in accordance with all Metalcraft Roofing requirements, the Bevelback Weatherboard 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.