I've got a rear extension with a mono pitch roof(13deg),there is fascia vents fitted but i want to put some airbricks in the gable peaks for a bit of crossflow.The roof area is approx 30m2 how many airbricks will be required? just one in each peak or double them up?
airbricks
- Thread starter sh74
- Start date
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If you use a breathable membrane then no vents are required at all. Normally if used trad felt though then you'd have vents at the eaves and then at the ridge where the roof abuts the wall. Glidevale do a system, there are others though. Or stick some tile vents in at high level.
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