This following table represents a snapshot of the Low E options and their relative performance data compared to each other with a 12mm spacer.

There are a variety of sections of the New Zealand Building Code and NZS Standards that directly influence the selection and use of glass. Here are some examples:
- B1 Structure
- B2 Durability
- F2 Hazardous Building Materials
- H1 Energy Efficiency
- NZS 4223.1:2008
- NZS 4223.4:2008
- NZS 4223:Part 3:1999
For more more more detailed specifications and options please click to view our Technical specification sheet
Looking to Retrofit Low E Double Glazing into existing homes please visit retrodg.co.nz