A1 Flue Systems
ConstructionEngland, United Kingdom51-200 Employees
A1 Flue Systems, based in Kirton, England, is a mid-sized, family-owned contractor in the construction sector. It operates as part of the Expo Inox Group and focuses on designing, manufacturing and installing bespoke chimneys, flues and exhaust systems for commercial and industrial projects. The company serves building specifiers and major construction firms, with a portfolio that includes landmark projects and a Battersea Power Station contract with Skanska. Founded in 1973, it runs a production facility in New Ollerton, Nottinghamshire, and employs local staff. In 2013 it became the first European manufacturer to obtain CE Mark for total commercial chimney and flue systems, and in 2026 Sans Frontiere Marketing Ltd was engaged to manage its presence at Data Centre World London.