W
walkern
Hello,
I imagine my building controller will tell me, but might just go all technical on me about m3 or mm3 volume/areas, so thought I'd ask here.
I'm building a single story extension (7mx3.6m) with 3 large velux windows in the roof and 5m of bifold doors.
Will it be sufficient to just have trickle vents in the velux windows, or would I need X number in the bifolds?
I think the requirements are something like 5000 or 8000 mm2 of vent area. From what I can see, depending on the size of velux you can get between 2000 and 7000 for each of the larger windows, meaning I should be covered...
Thanks.
I imagine my building controller will tell me, but might just go all technical on me about m3 or mm3 volume/areas, so thought I'd ask here.
I'm building a single story extension (7mx3.6m) with 3 large velux windows in the roof and 5m of bifold doors.
Will it be sufficient to just have trickle vents in the velux windows, or would I need X number in the bifolds?
I think the requirements are something like 5000 or 8000 mm2 of vent area. From what I can see, depending on the size of velux you can get between 2000 and 7000 for each of the larger windows, meaning I should be covered...
Thanks.
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