The sandwich-pipe for the chimney got its name because of the features of the device - a pair of stainless steel pipes, external and internal, separated by a heat-insulating layer, which uses basalt incombustible mineral wool. Usually such chimneys are produced as part of systems including straight sections, revisions, flanges, tees, plugs and the like. Thanks to the presence of standard elements, the design and installation process is greatly simplified.
Sandwich-pipe for chimney Has a number of advantages. The inner tube is heated as quickly as possible, thereby completely eliminating the formation of condensation. This significantly reduces the deposition of soot, as well as the need for maintenance. Good traction is provided by a low level of heat loss. The external pipe is protected from overheating, which allows to increase fire safety during the laying of smoke channels inside the premises. If there is an accidental contact with the chimney, there is practically no risk of burns.
Sandwich-pipe for chimney Is mounted in a certain way, about which it is worth writing in more detail. Since this construction is assembled from separate elements that have joints and standard sizes, they are mounted quickly enough and without any special problems. Naturally, this is provided that the work is entrusted to professional specialists who possess not only sufficient qualifications, but also experience. However, there are a number of rules, as well as a specific order of actions that should be followed.
The sandwich-pipe for the chimney starts to be mounted from below, from the heating device, which can be a boiler, stove, fireplace and other devices. When using an external smoke channel, the horizontal section is first installed before leaving the premises. After this, you can mount a vertical, whose height should not be less than five meters. The lower part of the vertical section is equipped with a condensate collector, designed to remove moisture, including that which can get with atmospheric precipitation. If a chimney for a stove or a fireplace has several knees, a condensate collector is required at the bottom of each vertical section. The length of horizontal fragments should not exceed a meter.
The chimney pipe consists of separate segments that join each other so that the next element enters the socket of the previous one. Outer is put on the previous one. Such a way of connection allows to ensure the flow of condensate to the lower part of the chimney, which excludes leakage to the insulation and reduction of its thermal insulation properties. Segments should be installed at a depth of at least half a diameter. Such a requirement is prescribed in the rules of fire safety. A sandwich-pipe for a chimney, the price of which depends on its parameters, is fixed to the wall with special brackets-fasteners installed every two meters, at least. Chimney must not come into contact with utilities.