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t0ny

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#299302 27-Aug-2022 13:30
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While looking at windows that could meet future H1 standards, i came across this article: Window installation in NZ; the one big mistake commonly made in New Zealand - STÄRKE Windows & Doors (starke.co.nz) . Are we really doing it wrong using the classic method of installation or is the future recessed installation. I thought recessed window would cause weather tightness issues.


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tweake
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  #2960181 27-Aug-2022 13:54
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I think their article is a bit BS. what they do not show in the recessed install is the vented drainage path under the window, which is what they show in the "normal" install and claim the heat loss. Overall the heat loss to the drainage plane is 9/10 of stuff all.

 

However recessed windows tend to be a bit more weather proof. They cannot leak if they do not get wet. However thats usually done with much thicker walls, eg brick cladding or with external insulation. With the new insulation requirements some parts of the country may start using external insulation, which has the added benefit of making a more resilient house by keeping the walls warm.


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