As can be seen from the photograph to the under-side ingress of water has occurred over a period of time, resulting in the existing decking failing. We removed all stone copings, removed existing felt and decking. Supplied and fixed new insulation. Supplied and fixed new exterior grade decking. Recovered the flat roof with two layers of 4.5 mm polyester based torch-on felt system in green. Forming upstands and DPC. Fully re-bedding stone copings. Reinstement of the pantile eave on new tanalised laths and permeable under slaters felt. Supplied and fixed lead flashing between the stone coping and the pantile roof.