• For the renovation of older flat roof vents in DN 100, DN 125 and DN 150
• Standard pipe length 50 cm (longer types also possible on request)
• Backflow seal is attached during production

Application

• DN 90 (ventilation area: ~ 58.6 cm²) for the renovation of DN 100 pipes
• DN 100 (ventilation area: ~ 87 cm²) for the renovation of DN 125 pipes
• DN 125 (ventilation area: ~ 113 cm²) for the renovation of DN 150 pipes

By screwing on the renovation system pipes, the 4-in-1 flat roof vent CLASSIC becomes a renovation vent for older DN 100, DN 125 and DN 150 vent pipes. The renovation system pipes are simply inserted or pushed into the existing pipes.

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