Been to look at a job installing some down lights in a bathroom, The ceiling is vaulted and there is Kingspan or similar insulation between the plasterboard and the roof. I can get to the various positions where the lights are going, I was thinking of fitting some thing along the lines of Halers or Cick LED lights. I Know I will need to cut away as much as possible of the Insulation, I'm concerned that this will still not be enough. Any advise would be appreciated.