Recent content by smt

I'm afraid I don't know the brand of the underlay – just white on the inside and green on the other (probably not very helpful, sorry). I will look at the possibility of opening-up the overlaps to increase airflow, but at the same time, am a little concerned about creating a gap for other...

Thanks for your response and I understand your advice. However, I have also read accounts where, following an increase in insulation, some people have experienced more condensation problems. Who's right? There's only one way to find out, etc. :D Will the addition of a gable end vent...

Our house is 19th century and so does not have the modern soffit/guttering arrangement. We had the roof replaced a couple of years ago and breathable roofing felt was used. Each winter since then, we have experienced condensation on the breathable felt surface – not enough to soak anything...