Welcome to John J Doyle Ltd - chimney liners, flue systems and refractory specialists across Ireland


John J Doyle Ltd is Ireland’s leading expert in the design, supply and installation of chimney systems and refractory engineering services.

Since 1928, we have been experts in refractory engineering services, supplying the steam producers across Ireland with products and services to support their steam processes.

Over our history we have diversified into chimneys and have been granted sole distribution agreements with some of Europe’s leading chimney & flue manufacturers Dinak, SAVE and Ubbink Centrotherm which ensures that we are able to supply the highest quality domestic, commercial and industrial chimney and flue products.

We have also completed a number of generator flues on large data centres both in Ireland and in Europe. If you would like to have a look at these case studies please email through your request to [email protected]

Twin Wall Flue  •  Vitreous Enamel  •  Flex Liner  •  Chimney Cowls  •  Ventilation  •  Chimney Umbrella  •  Chimney Fans   •  EcoFire   •  Ubiflex Extreme  •  Ubiflex       



 We have exciting news for 2016, we will be opening a Hetas training centre at our new premises in Duncrue industrial estate, Belfast

REGISTER HERE for updates