WHY RELY ON METALLIC CONSTRUCTIONS
Metal carpentry constructions can be divided into three main categories:
METALLIC STRUCTURES IN HEAVY CARPENTRY
Constructions made with load-bearing structure in rolled profiles, roof and floors entirely dry (without castings on site) or in mixed steel and concrete cast on site.
Most of the steel structures adopt this construction system, from multi-storey buildings for residential use, offices and annexed services for industrial and commercial use, up to structures for sports facilities.
METALLIC STRUCTURES IN LIGHTWEIGHT CARPENTRY
Constructions made with cold-bent thin profile structure in CFS steel, or Cold Formed Steel, which guarantees integration with “dry” building products. This completely dry construction technology is ideal for single or multi-family residential buildings, schools and offices up to two or three floors above ground.
COMPOSITE STRUCTURES IN STEEL – CONCRETE
Constructions made from rolled steel profiles and reinforced concrete elements, where the main feature is to make the most of the performance of both materials, in a unified structural system in order to satisfy every need in terms of construction. This construction system is also used for the construction of multi-storey, industrial and commercial buildings.
ADVANTAGES OF STEEL CONSTRUCTIONS
The choice of building material is important already in the early design stages of a work, in which multiple aspects must be taken into account, such as economic, aesthetic, environmental and social ones.
DRY CONSTRUCTION SYSTEM
The great advantage of a metal carpentry work is the possibility of dry construction , i.e. those construction methods that do not involve the use of water or the use of connection materials in the assembly process that need to consolidate after installation, such as adhesives and sealants, and having the possibility of creating highly technological but above all sustainable products.
Furthermore, it is possible to build in the shortest possible time and according to prefigured and simplified methods, highly competitive building components, pre-assembled in the workshop where controls, tests and quality standards of absolute reliability are guaranteed, such as < strong> seismic safety , durability and eco-efficiency.
The dry steel system also allows a precise management of construction times, a reduced use of resources, with a consequent drastic reduction of waste materials, in addition to the easy integration of insulating systems and plants, which allows to fully satisfy energy requirements, required acoustics and fire resistance, as well as the possibility of reuse of components and complete recycling of the material, where the competitiveness of steel constructions is supported also in terms of environmental sustainability .
Thanks to the industrialization of the building process, all the structural elements and the envelope systems are made in the company, with extreme ease of assembly and therefore with construction times of 50 – 60% shorter, just think of the fact that you do not have to wait for any drying. or curing for plasters and screeds.
The rapidity of construction means that there is a rapid return on investment, as it is already operational. Furthermore, thanks to the characteristics of the steel profiles, much lighter structures are obtained. The lightness guarantees a reduction in costs relating to foundation works, excavation and casting volumes.
We also remember the reduction of the labor factor: the activities carried out on site cost twice as much as the activities carried out in the workshop.
COMFORT, HEALTH AND DURABILITY
Thanks to the materials used in dry steel construction it is possible to achieve very high energy performance for Class A buildings.
For example, the high thermal and acoustic insulation ensures the quality of the internal environment, or the systems, such as heating systems and / or systems that use renewable energy, are also easily integrated into the structure.
Furthermore, since steel is not a conductor of moisture, it guarantees healthy environments without the so-called “sponge effect”. The dry steel solutions do not require maintenance and the treatments to which the profiles used are subjected guarantee anti-corrosion with consequent durability of the building.
The structural systems are able to withstand the earthquake and are much more advantageous than those based on less ductile materials, such as reinforced concrete and masonry.
In very high earthquake conditions, the lightness of the structure and the ductility guarantee high levels of tolerance and any restoration and maintenance interventions reduced to a minimum, unlike more rigid structures, such as those that use concrete.
SAFETY IN THE EVENT OF FIRE
The steel structure is very often placed inside cavities that already provide insulators such as plasterboard sheets, which allow excellent fire protection. In the event that there are other needs, it is however possible to resort to special sheets that achieve very high fire resistance parameters.
In some cases, a protective treatment can be performed on the steel structure, to obtain a specific fire resistance, for example when the metal structural elements are left exposed, just think of the intumescent paint. it is also possible to use special sheets that reach very high fire resistance parameters.
The environmental impact of a dry construction is reduced both during the construction phases and at the end of the useful life of the structure itself, thanks to the high percentage of recovery of the individual components, mechanically assembled being a pre-assembled.
In addition, the industrialization that distinguishes the dry steel solution guarantees:
- overall energy reduction for the same square meters built in comparison to other construction solutions;
- possibility of reuse of building components;
- no use of raw materials: the steel used in construction comes from recycled material;
- recycling: steel is the most recycled material in the world and is 100% recyclable, it can be recycled endless times without losing any of its original properties;
- increased safety at work;
- reduction of transport of both goods and workers;
- prevention of climate change.
FLEXIBILITY AND CUSTOMIZATION
The versatility offered by the dry steel system allows the client and the designer to define the characteristics of the building by adapting them to the construction site and to customize the functionality and design of the finishes and infills.
In addition, in view of future new needs and changes in use, the dry steel construction system is optimal in the extension and raising of the building.
When choosing the materials for the elevations, having to pay particular attention to the capacity of the roof slab, it is essential to avoid heavy structural interventions, thus favoring the lightness and high performance of the dry steel solution.
It is possible to intervene even in confined spaces and in unfavorable conditions. This allows to carry out not only new interventions but also extensions, elevations or recovery interventions with the minimum possible impact.
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