Unlike high -quality masonry of brick chimneys that requires professional skills, the installation of stainless steel chimneys with your own hands is not an example of easier. This is especially noticeable in the example of coaxial chimneys from a sandwich tube, the basis of the installation of which is a consistent assembly of several steel knees, which are investing one into another. Nevertheless, a number of prerequisites will need to be observed at the same time — otherwise you can get a serious smoke of the house or a quick failure of the chimney system due to accumulation of condensate in pipes.