CONSTRUCTION FEATURES
Insulated flexible duct consisting of a spiral of harmonic steel wrapped in two 74ฮผm multi-layer aluminium/polyester laminates. Insulating mat in fibreglass with a density of 18 kgmยณ and a thickness of 25 mm. External covering in 49ฮผm aluminium/polyester.
Also available in an antibacterial version for hospital use (TT1H).
TT3 flexible ducts with aluminium interior have obtained GREENGUARD Indoor Air Quality Certification and GREENGUARD Children and School Certification for low emissions. These ducts therefore guarantee maximum air quality inside rooms.
B-s1, d0 certified according to EN 13501-1
