Hi Catarina,

4.2.4 Where they constitute a risk to product, and based on the likelihood and risk of contamination, windows and roof glazing shall be protected against breakage.
So in open product areas they will need to be protected if there is a risk of product contamination if there was a breakage.
For offices insect screens aren't necessary unless they are in close proximity to product areas and allow access of pests such as flying insects.
Kind regards,
Tony
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