Basically working in a small team carrying OSB and ply sheets 4ft x 2ft (2400mmx600mm), Insulation sheets 8ft x 4ft from delivery area up flights of stairs to working area. Also bring other items up in a lift from basement to working area. Steady away for a few days but you will need to be physically fit and have a positive outlook on life.
Easily hire and pay trusted trades people with Grafter.