Description

HG Windows & Doors are a range of powder-coated, aluminium windows and doors.

The aluminium joinery is available in a range of standard sizes, configurations, and colours. all using a minimum of 14mm glazing spacer.

• HG Windows – AW (Awning Window)
• HG Windows – TBAW (Thermal Awning Window)
• HG Windows – SD (Stacker Door) 

Scope

1. HG Aluminium Windows and Doors are certified for use:  

• a) In buildings:  
  • i. with timber-frames designed and constructed in accordance with NZS3604:2011 Timber framed buildings, or 
  • ii. specifically designed in accordance with Verification Method B1/VM1, and 
• b) Located:
  • i. in wind zones up to and including HIGH (as defined in NZS3604) for AW, and for TBAW & SD windows, in wind zones up to and including Extra High (as defined in NZS3604)
  • ii. in any exposure zone except microclimates (as defined in NZS3604)
• c) In the building envelope enclosing spaces where the temperature or humidity (or both) is modified

2. HG Aluminium Windows and Doors shall be installed in accordance with the HG Windows Installation Manual – Rev 1.1- April 2025

3. Compliance with the following code clauses for buildings incorporating HG Aluminium Windows and Doors shall be as follows:

• a) For G4.3.1and G4.3.3, the calculation of window opening areas for Ventilation shall be in accordance with Acceptable Solution G4/AS1  
• b) For G7.3.1 and G7.3.2, the calculation of window areas for Natural Light shall be in accordance with Acceptable Solution G7/AS1
• c) For H1.3.1 and H1.3.2E, compliance for buildings shall be established by using:  
  • i. the calculation method in Acceptable Solution H1/AS1 (Fifth edition Amendment 1), or 
  • ii. the schedule method in Acceptable Solution H1/AS1 (Fifth edition Amendment 1) or Acceptable Solution H1/AS2 (First Edition Amendment 1) for TBAW series (thermal break, low-e DGU Argon filled), or
  • iii. the schedule method in H1/AS2, First Edition, Amendment 1, for TBAW series (low-e DGU Argon filled) for buildings greater than 300 m2