Single Wall flue is used to connect an appliance to the rest of the chimney flue system
Often referred to as vitreous enamel, single skin flue or connecting flue pipe, the term ‘single wall’ refers to there is only one layer of steel with no insulation.
Single wall flue is generally made from steel and coated with enamel providing a smooth internal and external finish. It can be produced in just stainless steel with no enamel coating too.
Sometimes, however, it can be manufactured using stainless steel with no enamel coating.
So when can I use it?
Single wall flue pipe is designed to connect the top of your appliance to your main flue system or chimney.
Your main system could then be either a flexible liner down an existing chimney or it can be a twin wall flue system.
Single Wall Flue should not be used for the whole system.
