No, we were perfectly happy with our roof until the tiles curled and started letting water in. The choice to replace the roof wasn't based on the lack of membrane, it was just how it was done in those days.
Thanks for the replies, it's always hard researching things online as there are so many different opinions. The membrane is new and breathable as it's just been installed, the original house didn't have membrane at all.
Hi,
This is my first post here so I'm quite new to all this and only know about roofing from what I've read online.
I'm in the middle of having my roof replaced. I have a 3 bed 1935 semi and this winter water started coming in so it seemed time to replace it.
The artificial slates have...