What are the pros and cons of a dry radiant system compared to a traditional one?

The strengths of a dry system compared to traditional screed systems are numerous: from the quick start-up, which is very important in the case of occasional use, to the equally rapid shutdown, which is essential to avoid unwanted heating peaks inside very well-insulated buildings, such as modern homes.

This speed of operation allows you to live in a comfortable condition for a much longer time and at the same time increases the efficiency of the system, with energy savings that various studies estimate between 10% and 30% compared to a traditional system, under the same operating conditions.

Then there is the weight and thickness of the system, which are ideal for reducing the bulk and load on the floor slab both in renovations and in new constructions.

The drawbacks can be summarized in three points:

attention must be paid to the type of flooring chosen, even though the range of available solutions remains extremely wide and able to meet practically all aesthetic requirements;

greater attention must be paid to the flatness conditions of the subfloor before proceeding with installation;

the underfloor system cannot be installed in all types of buildings, due to the legal load requirements applicable in each case.

This system can easily be applied—provided the chosen flooring is suitable or a “minimum” load distribution layer is interposed to preserve its typical quick response—in buildings subject to uniformly distributed loads in category A (residential), B1 (offices not open to the public), B2 (offices open to the public), C1 (schools), C2 (places of worship), D1 (shops), and F (garages), according to the categories defined by NTC.

The dry radiant system cannot be used inside buildings belonging to other categories (up to K), without the application of appropriately sized load distribution layers, which would, however, make the system comparable to a traditional radiant system.

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