CFS Renovation
NEW
Our CFS renovation solutions have been expanded! In addition to the proven CoxHYBRID® CFS PP range, we are now also introducing our innovative CoxDENS® PP Flex CFS solution in Ø 110 and the versatile CoxDENS® PP Flex Multi range in Ø 60. This makes it possible to renovate a CFS system, even if the system contains one or more bends and offsets.
Efficient, flexible and fully tailored to modern renovation projects.


CoxDENS® PP Flex CFS Multi
For 2 to 7 connections

CoxDENS® PP Flex CFS
For 2 tot 4 connections

Especially developed for connection to modern, condensing, high efficiency boilers with a maximum flue gas temperature of 120°C (T120).

Communal flue system CoxHYBRID®
CoxHYBRID® CFS PP is an innovative overpressure CFS system developed in Cox Geelen's own Research & Development center in close collaboration with installation companies at home and abroad. With this innovative solution, old shafts or existing CFS systems in multi-storey housing can be quickly and easily adapted to accommodate modern high-efficiency boilers.
Renovation or new construction
- In multi-storey residential buildings up to 20 floors.
- Is carried out shaft by shaft.
- All old boilers must be replaced by modern condensing devices at the same time per shared chimney.