I have a roof with breatable felt. I need to insulate under the rafters. I intend to use Celotex with Tri Iso 10. Do I leave an air gap between the breathable felt and the celotex ? Do i also leave an air gap between the Celotex and the Tri Iso
I am searching for a supplier of radiators are mounted in a channel in the floor and covered with an ornate grid. It is for use in a conservatory on our Victorian House.
ANy ideas