Chimney stack STI

Our STI chimney stack is an innovative evolution of the standard chimney termination using modern engineering design principles, combined with a state of the art manufacturing process. It is suitable for use with all gas, oil, pellet and wood burning appliances Complete with a comprehensive range of standard accessories to suit all applications, the STI chimney stack supports the chimney and is perfect for 3m high freestanding chimneys above roof. Our STI chimney stack is suitable for use with Therminox, Duo-Gas and Efficience chimney systems and available as standard in 3 finishes (Stainless steel, black & copper brown). >Provide the best aesthetic finish on the roof. > The STI chimney stack is designed to work with all roof types and provide the best quality installation ensuring a water tight roof penetration for years to come. > Easily achieve the correct termination height complying with local building regulations plus an easy installation for tall chimney stacks with up to 3m above the support flashing up-stand. > Supplied with our engineered Poujoulat flashing system, very easy to position in place of 4 or 6 tiles and delivers a perfect seal to the roof. > Optimise your working process, install several chimneys through the roof in one day Our STI chimney stack is suitable for use with Therminox, Duo-Gas and Efficience chimney systems > Therminox - Twin wall insulated chimney system > Efficience - Triple wall insulated chimney system > Duo-Gas - Concentric flue system for gas fires The flashing plate is made to measure and guarantees an immediate and perfect water-tight seal to the roof.