Pommay slates can be used for both roofing and ventilated cladding.
For roofing, Pommay slates are laid in accordance with the rules of the trade in force in mainland France. Refer to NF DTU 40.13 "Fibre cement slate roofing".
For ventilated cladding, Pommay slates are installed in accordance with the rules of the trade in force in mainland France. Refer to NF DTU 45.4 part P 1-1-5 "External thermal insulation using ventilated cladding".