Onduline is an international roofing systems manufacturer located in Sapanca/Turkey. They manufacture lightweight roofing systems like asphalt shingles, waterproof membranes, underlaying systems etc.


The factory was located close to a famous lake. Emission gases and asphalt odour from production was spreading to the area and causing great trouble to the neighbourhood.


Installation of 2 ozone generators. One ozone generator is combined with a wet scrubber and wash the emission gas. The other ozone generator is installed to the production line to reduce the odour and emission at the beginning of the production line.


Odour and emission dramatically reduced. The complaints stopped and the factory passed government inspection successfully.