Tools and accessories for installing a ventilation pipe on a roof

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In order to prevent debris, leaves and rainwater from getting inside the ventilation pipe, the outlets of the ventilation shafts are covered with special umbrellas. To ensure timely drainage of water from these structures, they are equipped with drippers.

In addition to the standard ventilation system, aerators must be installed on the roof.


These devices are designed to create a circulating air flow in the under-roof space. This will help to avoid condensation accumulation on the insulation or ceiling of the attic. For proper installation of aerators, it is necessary to provide for the creation of a lathing and the presence of sufficient air flow on the roof for their operation.

Before performing installation work on the roof, it is necessary to chinese overseas british data all the necessary tools and equipment.

Operating principle
The air flow, having reached the wall of the upper cylinder of the mushroom, goes around it, after which the air stream slides along the surface of the product and then rushes upward.

At this time, the gas in the chimney is sucked in and released into the surrounding space. As a result, the air begins to move more intensively in the system, which means that the draft increases.


In the case when air flows do not move horizontally, but at an angle or vertically, the weather vane still works. Air penetrates into the upper cylinder through the gap and carries away combustion products. Only with a low wind do mini-vortices arising under the cap slow down the removal of smoke.

Selecting the product shape
The mushroom on the ventilation pipe should be selected depending on the purpose of installation. It can be in the form of an umbrella or a cover (read: “What types of umbrellas are there for a chimney or ventilation pipe, how to make one yourself”). Water outlets and drippers are also available for sale.