The plumbing of the bathroom is one of the primary interventions that must be considered when choosing to restructure this environment completely. But what exactly is the bathroom plumbing ?

The bathroom plumbing: feature

When it is necessary to design a sanitary water system, in addition to providing the material required to perform the entire work, it is essential to create a unique method for draining the gray and black water, which must have all the appropriate characteristics that respect both the quality and the current regulations.

The bathroom’s hydraulic system performs two tasks: it must carry/distribute hot-cold water and must discharge into the municipal sewerage system foreseen for dirty sewage (wastewater). As far as the transport of sewage is concerned, in most cases, it is used in most cases of the classic municipal sewer system: the latter, through the installation of individual pipes used to realize the necessary channels, leads the dirty water to a purifier.

Hydraulic (or water) system of the bathroom: applicable policies to be established during the design phase.

When designing a bathroom plumbing system, the bathroom appears to be the area in which this work expresses its maximum realization.

Here, the company specializing in such interventions can take care of running the bathroom plumbing in a typical manner, thus adopting a pipe for transporting hot water and one for carrying cold water, or it can proceed using the method of connection to the collector.

In the latter case, it is a system with which no type of joint or welding is used under the flooring, and it should be emphasized that with this method, the variation in a flow rate of sanitary ware is minimized in the case of simultaneous use of an additional user.

This is why, when it is necessary to create a bathroom plumbing system, both the kind of material and the type of order to be adopted are elements that must be chosen during the preparation of the project for the entire intervention. Other criteria to be considered, represent purposes for which both the bathroom plumbing and the physical/construction characteristics of the apartment must meet.

The water system in the bathroom: how do you proceed?

Before proceeding with the setting of the diagram, referring to the bathroom plumbing system, it is necessary to carefully take into account the measurements of the new sanitary ware to be installed. The installation is carried out, which consists of creating a loading system and one of discharge.

Bathroom plumbing: loading system

It is generally considered the most straightforward, most intelligent, and coherent scheme used by the professional to provide for the different points of water supply: it consists of vertical columns (for the drainage network and cold water) from which the amount of water to allow distribution. This system can be: “derivation” and “collector.”

  • “in derivation”: this is the most widely used system in the restructuring phases: through T-shaped fittings, it provides for the various sanitary appliances to be connected in series to the water distribution network, usually using rigid pipes.
  • “collector” (also called “spider”): here, a single pipe is used that starts from a collector and reaches the various sanitary facilities. This is a particularly sound system, both because it allows you to avoid using joints by eliminating the risk of leaks and for its reasonably low cost. It installs rather quickly and easily.

 Bathroom plumbing: exhaust system

Even hydraulic system relative to the discharge is divided into two types, which are the following:

  • Double tube: a second unloading method is used, which separates black and white waters.
  • single-tube : the black waters are not divided by the white ones.

To opt for the double tube system is the most hygienic choice. It allows you to avoid the unpleasant odors of black water through the sink, bidet, tub, and shower drain.

The discharge with a single tube is instead generally installed in condominium buildings, in which the bathrooms of the various interiors are superimposed.

Plumbing in the bathroom: the standards

As already mentioned in the initial section, when making a hydraulic (or water) system in the bathroom, kitchen, etc., it is necessary to respect specific rules established by law.

These are rules relating to the various types of systems, the technical criteria to be followed in the design phase, the parameters on the sizing of the water networks and the relative pipes, etc.

Plumbing in the bathroom: what is the cost?

Are you wondering what could be the cost of a plumbing system? As can be easily understood, in general, this cost is not easy to determine precisely, since it is established based on the type of project planned, the type of material chosen and the tariff of the company responsible for carrying out the intervention.

However, we can indicatively state that a professional’s rate for plumbing the bathroom can vary between € 26 and € 29 per hour, excluding both the price for the materials needed to carry out the work and their transport.

Approximately, for the water-sanitary system of the bathroom (obviating norm), instead of comprising materials necessary for the work and their transport (excluding sanitary ware and taps), in total, we can quantify a cost that can roughly vary between 1450 € to 1500 €.

To be able to provide more precise indications, it is, however, necessary for a professional to carry out an inspection first, before moving on to budgeting the costs to be incurred.

The importance of the inspection and more cost estimates

If you have to have the bathroom plumbing done, or even the plumbing of the whole house to know the expense to face, our advice is not just to contact a single company, that is evaluating only a unique proposal: it is indeed It is good to consult more specialized plumbers in your city to be able to have the necessary inspections and various detailed estimates on labor and material costs.

In this way, you can save by entrusting the work to the company willing to offer the most advantageous conditions.

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