Prep and prime roof.
Cut away any rotted timbers upto 5 square meters.
Remove existing roof lights and timber upstands.
Install new timber frames to roof lights.
Install new double glazed Polycarbonate roof light domes Non Vented.
Supply and fit new baileys classic plus single layer mineral cap sheet.
Remove coping stones to dwarf wall.
Supply and fit new coping stones.
Remove all debris and cart away.