We are Hetas registered to fit twin wall chimney systems, please see below for just a few examples of our works. Many options available to suit your needs. Twin wall flue can go outside and up, or through ceilings/floors and roof space. The flue is also available in matt black to enhance appearance. Again many options of fireplace construction available including – Glass hearth, brickwork, limestone, marble, wooden surround, or just stand alone.