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Difference between single glazing and (cheap plastic 3m) double glazing. It is also going into its 3rd year now and some windows still don't need redoing. : r/newzealand
![Secondary Glazing Guide: What Is Secondary Glazing and What Are The Different Types? | Bridgewater Glass Secondary Glazing Guide: What Is Secondary Glazing and What Are The Different Types? | Bridgewater Glass](https://www.bridgewaterglass.co.uk/wp-content/uploads/2022/09/07dd9c0f-1cc0-402d-9c39-c518e6839701.jpg)
Secondary Glazing Guide: What Is Secondary Glazing and What Are The Different Types? | Bridgewater Glass
![A double glazing business store room, show room with lots of plastic upvc window frames Stock Photo - Alamy A double glazing business store room, show room with lots of plastic upvc window frames Stock Photo - Alamy](https://c8.alamy.com/comp/2EJHN0K/a-double-glazing-business-store-room-show-room-with-lots-of-plastic-upvc-window-frames-2EJHN0K.jpg)