Shaft – O que é, e para que serve? Descubra aqui!

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Shaft - What is one and what is it for? Find out here!
Shaft – Foto: Reprodução Internet. Imagens e Projetos não autorais, sendo todos os direitos reservados aos seus respectivos produtores e criadores.

The shaft, also known as a duct, are vertical openings for the passage of pipes, especially for hydro-sanitary installations.

Generally, they are used for ventilation and sewage, in addition to the passage of water in hot or cold temperature.

It is also used for cable trays, in terms of protection, as it is a electrical installation. É comum a abertura na laje por conta do shafts, onde é passada a tubulação.

In this case, it is essential that it receives an adequate seal, to avoid fire situations, for example.

Para entender melhor o funcionamento dessa peça e também para que ela serve, separamos nesse artigo todas as informações pertinentes, acompanhe!

What is a Shaft and what is it for? Find it out!

Shaft function:


Shaft - What is one and what is it for? Find out here!
Shaft – O que é um e para que serve? Descubra aqui! Foto reprodução internet!

The idea of the shaft is to become an easy access for plumbers, when inspections are necessary for the maintenance of pipes, for example.

Basically, it is an internal gap used in the construction, whose objective is to facilitate the passage of pipes and vertical installations in an environment.

They are usually deployed in Kitchens or bathrooms, with openings or covered with panels plasterboard, which is a more water-resistant material, but breaks easily.

In this way, it is much simpler to replace than conventional masonry.

Shaft ducts design:


Shaft - What is one and what is it for? Find out here!
Shaft – What is one and what is it for? Find out here!

Like any item in a construction, the shaft passage is also designed in detail, so that it is in a suitable position to the vertical pipes, with enough space for its passage.

So a good project considers the fixing of these tubes and also how they will be arranged, dedicating adequate space for the devices that will be installed inside.

The shaft must allow easy access in cases of maintenance, so the project must demonstrate this.

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As mentioned, it can be left open or even with a plaster coating, which allows a simple opening when necessary.

They not only receive water and sewage pipes, but may also have pressure reduction or maintenance valves attached to the system.

As well as signaling valves, control of firefighting systems, water consumption meters and other options.

In this case, it needs to be designed form that scales all these installations, including details of how they will be done.

This must be visualized in the plan of that environment.

Inside of one project architecturally, shafts can appear in a few ways.

For example, with the function of making ditches for ventilation and lighting, especially in bathrooms, where there is usually no adequate system.

If the bathroom not having windows, which can happen, the shaft works as a system to help in the ventilation of this one.

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Therefore, it is crucial to verify that it does not decrease the usable area of the space.

When this occurs, shafts are commonly deployed in suites, which usually do not have an adequate ventilation system.

Shaft installation errors:

This feature is not without problems, so much so that an improper installation can generate major headaches later on.

It is quite common that, for construction of the shaft, the slabs are drilled, in order to give passage to the pipe.

This must be well studied before being carried out, because holes are usually drilled in wrong positions during constructions, needing to be redone.

In this case, in addition to redoing the space for the passage, it will also be necessary to seal the old openings, demanding two jobs due to the error in the installation.

It can also happen that the shaft itself is built in the wrong position, and also with incorrect dimensioning.

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With this, the only reasonable solution is to tear down the space, especially when done in drywall or masonry walls, to be redone.

Before sizing the ducts, it is essential to know what it will serve and what its demand is.

For example, a shaft used in bathrooms per floor is not the same that will serve two bathrooms per unit, because they share spaces between the different plumbing.

In the case of residential shats, the dimensions are far from those applied in industrial installations.

For each category of project there is a form different installation, that's why this care is so necessary.

An form to avoid errors with the installation is to correctly make the hydraulic calculations, where it is possible to verify how many plumbs will be needed to house the shaft and its gauges, also to dimension its size and position in relation to the future ones.

Correct Shaft sealing:

Another very common problem is the lack of sealing, especially on the slabs where the pipe will pass.

In this case, the sealing needs to be effective, where the project determine the correct position of the holes in the slab and also how they will be sealed.

In some cases, the tube passes very close to the hole made in the slab, but otherwise it is necessary to use putty to seal it, with supports so that it does not fall from there.

When the shafts are exposed, it is ideal to use special sealing compounds, which prevent fire hazards, for example.

Cement is a material that is less prone to catching fire, so if there is a lot of exposure, it is recommended to use it.

The best seal is expanded polyurethane, which in addition to being a quality material with fewer risks, is also easy to remove, simplifying maintenance.

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With cement, if you need to open the shaft, it will be necessary to break it.

Regular maintenance:

Shafts may need further maintenance, and in cases of poorly resolved problems and the incorrectly designed installation itself can generate several problems, in addition to costs additional and unnecessary.

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They not only house the pipes, but also various equipment associated with the hydraulic systems, and maintenance becomes even more expensive when there is no detailed care on top of their installation.

Make sure that the project is being executed well, if the shaft meets the installation dimensions and everything else that has been explained here.

In addition, the system must be easily accessible for maintenance when necessary, after all, the shaft is a plumbing access system, so prefer projects that include plasterboard.

I have an article also complements all the steps of a constructions, where the shaft is part of it.

Click here for acessá-la!

Foto: Reprodução Internet. Imagens e Projetos não autorais, sendo todos os direitos reservados aos seus respectivos produtores e criadores.

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