Recent content by OldPosty84

Hi all, I have a 9mtr x 4.1 mtr garage with a cold flat roof (felt) It was reborded and refelted a couple of years ago. The issue I have is I want to plasterboard the ceiling and add downlight so i measured the joists and here is the issue, the joists are 5x2 (47mm x 120mm) at 400 centres and...