richie9648 Posted July 14, 2021 Share Posted July 14, 2021 Hi i have getting sliders put in on the back - 6m across Do I need to specify trickle vents?? If I have 4 velux windows on the roof which also have a trickle vent facility, would this be sufficient enough - the trickle vents on the sliders are rather ugly !!!? TIA Link to comment Share on other sites More sharing options...
Faz Posted July 14, 2021 Share Posted July 14, 2021 All depends on your air supply strategy mate - trickle vents / mhrv etc. If you are going down the TV route then NHBC / PG and others state the open area required for the vents for the house in total. Link to comment Share on other sites More sharing options...
nod Posted July 14, 2021 Share Posted July 14, 2021 We left them off ours Windows nearby had TVs BC was ok Link to comment Share on other sites More sharing options...
tonyshouse Posted July 14, 2021 Share Posted July 14, 2021 Ventilation strategy needs thinking through, trickle vents do too little when it is calm and too much when windy Link to comment Share on other sites More sharing options...
richie9648 Posted July 14, 2021 Author Share Posted July 14, 2021 (edited) 1 hour ago, nod said: We left them off ours Windows nearby had TVs BC was ok Edited July 14, 2021 by richie9648 Na Link to comment Share on other sites More sharing options...
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