Recent content by Richards303

Thanks. I did read this before but it didn't really answer my question in regards to why breathable membrane isn't doing its job and why the ventilation added hasn't had any effect. I should have also added the the Tyvek replaced old bitumen felt with lap vents and there was no real issue with...

I should add that the condensation was there this morning and it's not particularly cold. There was a colder last week and the condensation was worse in the morning but it did mostly clear by the end of the day when the temperature outside rose a bit

Hi I have had new breathable membrane fitted a couple of weeks ago. It's Tyvek Supro. Fitted under battens on a sloping roof, redland tiles, 1910 terraced house. Problem is there is condensation forming on the membrane. Mainly down by the eaves and behind a loft room where there is 50mm gap...