Glazing Block Calculator
This calculation references: AS/NZS 4666:2012 – Insulating Glass
Units
“The life span of IGUs may be significantly reduced if they are installed incorrectly. In addition, manufacturer’s warranties against seal failure may be invalidated if the insulating glass unit is installed incorrectly. Therefore, it is important to ensure the glazing system is suitable.” – AS/NZS 4666
Thank you for reading this post, don't forget to subscribe!Preferred Placement (W ÷ 4)
(a) Blocks centred at 1/4 width – preferred configuration for
support and load distribution.
Alternate Placement (W ÷ 8)
(b) Blocks placed W ÷ 8 or ≥150 mm from edge – alternate method
per IGU guidelines.