Last edited 03 Oct 2015

Flue throat

According to Approved document J, Combustion appliances and fuel storage systems, a 'throat' is a contracted part of the flue between a fireplace recess and its chimney.

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[Image: Construction of fireplace gathers]

Throats are usually formed from prefabricated components as shown below.

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[Image: Open fireplaces - throat and fireplace components]

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