SNZ NZS 4223.2
Glazing in buildings Part 2: Insulating glass units
|Publication Date:||29 February 2016|
This standard sets out requirements for materials, design, glazing, and quality assurance of insulating glass units (IGUs) for glazing in buildings.
The following are excluded from the scope of NZS 4223 Parts 1, 2, 3, and 4:
(a) Glazing in lift cars and liftwells (refer to NZS 4223.1, Appendix A for guidance);
(b) Furniture glass, cabinet glass, vanities, glass basins, refrigeration units, internal glass fitments and glass wall linings, framed internal wall mirrors, and mirrors not specifically covered by these parts;
(c) Buildings and structures with no public access intended for non-habitable building structures for horticultural or agricultural use;
(d) Restoration or repairs to existing decorated glass;
(e) Glazing applications that might fail due to stresses other than tensile stresses, such as glass floors;
(f) Plastic glazing materials;
(g) The construction and installation of windows, (refer to NZS 3504, NZS 3619, and NZS 4232.2);
(h) Glass blocks, pavers, slumped, formed, or cast glass;
(i) Point-fixed or point-supported systems used for glazing, cladding, signage, and the like, not specifically covered by these parts (refer to Part 1 for design criteria and guidance for specific design).