Glossary

Found in a masonry chimney – this allows access to the interior in order for a sweep to inspect, and clean. They are generally made of clay,

Used in masonry metrics – this is an object that extends out from a wall in order to support a structure above it.

A dark oil that is distilled from coal tar, and typically used as a wood preservative. It is composed of mostly organic compounds.

This is used to shed water away from the flue liner, and is a design that slightly slopes, or has a bevelled edge at the top

This is a movable flutter that is used to control air flow or smoke.

Located at the very top of a chimney, this works by closing the top half of the flue when it is not in use. It’s purpose is to

This runs from an insert, or the hearth stove, and connects to the very first flue tile.

This is a pressure difference that draws combustion into the appliance and expels gas into the chimney.