It is designed for flat roofing and can be used at various roof slopes. It is made of galvanized steel sheet powder coated in two standard colors: black and brick. The clamps on the base make it easier to attach TFSR fans. The section of the base canal is insulated with a 30 mm layer of mineral wool. A grounded plug and 3 meters of cable are part of the equipment. The scope of delivery includes the bottom plate TUS intended for mounting from the inside of the roof. The bottom plate should not be installed if the roof is covered with roofing felt only.