So what would your gut instinct be for the insulation and the air gap? Also vents or no vents? Is it not pointless having an air gap if it’s not ventilated?
I have a shed which I want to insulate. I’m going to be using insulation board and my frame is 70mm x 35mm. I’ve been told by my brother in law(who’s an architect)that I need a minimum 50mm air gap on the walls which would mean having to extend the frame which I really don’t want to do. So my...