Search results

Just read the thread and I have a similar problem. Rafters are only 75mm deep But its a converted loft which I am trying to correct so want to keep as much head space as possible. Will a 25mm gap be sufficient for air flow if I fill with 50mm insulation? How large does the gap at the eaves...

Hello, I am insulating my loft pitch roof and am fairly certain (but not 100%) that its a ventilated variety. Reasons why I believe its ventialted:- 1. Theres one of those vent slates half way up the pitch. 2. There is no roof felt but what looks like some kind of a plastic sheet...