Initial Situation The Thomas Moore Catholic School in Purley, South London have upgraded their heating system with condensing gas boilers. The combustion gases from the boilers are exhausted through a freestanding 28-metre chimney. The original brick chimney structure was not suitable for the wet operation required by condensing boilers. It is a requirement … Continue reading Large School Chimney Lined for Condensing Boilers – FuranFlex Case Studies