Re: Roof Insulation › Forums › Common Property › Roof Insulation › Current Page 17/10/2018 at 9:59 pm #30614 BnFlatchatter It would be good to get all of the top floor owners involved – but you could just do your unit and those interested. It is a really simple task subject to access/clearance and I can’t see the owners corporation objecting if it is at your cost.