FLUE LINER NO FURTHER A MYSTERY

Flue liner: 316 or 904 versatile steel liner, for lining the length of the chimney stack. (NB: It truly is sold because of the metre, so You will need to understand the approx peak of one's chimney stack )What does twin wall flue appear to be? Our twin wall flue has actually been designed to appear excellent with flush mounted locking bands to get