Do awning windows for BAL 19 have to be toughened?
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However it is not clear what happens above 400mm.
Possibly the supplier of your windows can advise.
They have a big say along with engineers australia, in setting standards.
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16/07/2023
4
Thanks mate, this helped a lot. Managed to get it back in.
3/01/2024
3
Building Standards; Getting It Right!
Thank you it really does, appreciate your response!