I've recently been insulating the ground floor of my house installing Celotex 100mm Insulation boards between the joists under the floor to reduce heatloss in the winter and keep the heat out in the summer. I've done a couple of videos please can you tell me if I'm doing it to code.
https://www.youtube.com/watch?v=zlTuC4uCcXs
https://www.youtube.com/watch?v=V3JeQQZPY4U