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External twin wall flue installation design service

You can run the twin wall insulated flue pipe out through an external wall and up the outside of your house. External flue systems are invariably a little more expensive than internal systems as they always have at least one 45 degree bend and one 135 degree Tee, and usually another two bends to avoid overhangs. External insulated flue systems are also a little more difficult to install and result in a colder chimney than a full internal system. That said, our twin wall insulated flue prices are very reasonable and of course an added benefit of running the flue externally is that you don't use up any space in the rooms above your stove.

For our flue designers to design your external flue system using we will need a few details and measurements from you. The big link below will take you to our application form where you can enter these details.

It can take a little bit of time to gather the measurements and details that we need - to help we have made a printable checklist which is available as a pdf at the bottom of this page.