On the unventilated side there is no overhang just a solid facia board flush with the wall.
Venting a cold flat roof.
How do i add ventilation on this side to create through air movement.
Their layer of insulation is beneath the roof decking and the roofing membranes.
That means the rest of the roof is protected from heat.
Air flow between vents will also be affected by the resistance to lateral flow.
I have a cold flat roof ventilated by soffit vents on one side and no ventilation on the other side.
Why don t cold roofs need to be ventilated.
Link to sweating and mouldy new cold flat roof video https youtu be ll2 8rxsykc cold flat roof ventilation corrected this is a followup video on how to fix.
For cold flat roofs the vapour layer needs to be positioned underneath the insulation layer on top of the room below.