Lot 19 Roofers, - Roofing plumbing

- 1,700 m2 demolition of artificial slate roofing

- Expand 330 m lightning protection

- 620 m demolition sheet metal (ridge, throat, ridge, eaves)

- 500 m2 roofing natural slate arch cut

- 1,300 m2 roofing double standing seam

- 52 pieces of work on roof windows and ventilation hoods

- 200 m new gutter