7 Durability Considerations for uPVC Windows in New Zealand for Better Buildings
New Zealand’s diverse climate, ranging from the sunny North to the icy deep South, presents a huge durability challenge for most construction materials. When it comes to window frames, surviving in the face of varying temperatures, high humidity, and exposure to intense sunlight is paramount. In this context, uPVC (unplasticized polyvinyl chloride) emerges as a […]
H1 Compliance Genius: R0.74 windows offer design freedom back!
When it comes to H1 Compliance, by far the greater energy savings are possible from the worst performing elements. This seems obvious, right? Ok, answer me this then; if you could increase either your roof or your windows by R0.01, would it make a difference which one you chose? Most people think the logical answer […]
The Bad, Better and Best of H1 Compliance: Schedule, Calculation, or Modelling method
This blog assumes you have a basic knowledge of how the code works; if you want a refresher, please read through our other blogs here. Also note that this blog covers H1/AS1 (Acceptable Solution). There are other methods of demonstrating H1 Compliance without using an acceptable solution, but these are rare. What are the three […]
The Game Is Changing; Will You Be Ready? How Building Code Changes To H1/AS1 Affect Windows And Doors
Updated 18th July 2022. Immediately after MBIE has published their outcome of the consultation to delay the proposed changes to H1/AS1 Version 5. Read their document HERE De-mystifying The Building Code Changes For Windows And Doors A direct, informal summary, using colloquial and easy to understand language, for everybody out there. For architects, builders, fabricators, the […]
Window installation in NZ; the one big mistake commonly made in New Zealand
Good quality windows and doors deserve a good quality window installation. And that means they should be installed recessed into your wall; not hung out over the cladding as is so commonly done! In other words, the warm barrier down the middle of the glass and down the middle of the frame needs to be […]
What is a good R-value for windows in New Zealand?
A good R-value for a window in New Zealand is R0.65 to R0.8. You can achieve this with: How do I know the R-value for my windows? The R-values of windows are made up of two important factors, both of which you can ask to change or specify. (Also note that you may come across […]
