insulation wall

Hello, my wife and I are in the process of having an extension built on our semi-detached house. The work is fairly advanced but we’ve got some issues and the builders are not communicating very well with us (or Building Control). It is a timber frame with outer brick skin, tiled sloped roof...

Hi, I hope I’m posting in the correct place. I am insulating existing exterior walls of my barn conversion. Building regs wants us to use 55mm celotex, 12.5mm plasterboard and 25mmx47mm battens. I am completely confused on how to do this, so many different opinions from different builders...