Metal installation duct with intumescent fire protection fabric. Prevents the spread of fire and protects against the effects of a cable fire. Fire resistance up to 90 minutes. With the corresponding molded parts, obstacles in the outdoor area can be overcome. Suitable for installation on FangFix concrete blocks. Can be used as a special solution when laying cables over fire walls in accordance with expert opinion GA-2021/047a. Solution in accordance with EltAnlagen 2020 of the BMI +AMEV. Only approved prefabricated molded parts may be used. Including screws for fastening the duct cover.