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Raised floors
1. Raised floors. 2. Advantages of raised floors. 3. System, the raised floor by Marazzi. 4. System components. 5. Metallic bearing structure. 6. Support panel. 7. Exterior finish. 6. Edges protection for the walking floor. 1. Raised floors A raised floor is an extremely efficient system for interiors because it allows for the creation of a technical volume with no partitions under the walking area, where all networks (electrical, hydraulic, safety, air-conditioning and data transmission) can be stored. This solution was originally developed to solve office planning challenges yet it was later applied also to other areas. It now provides a strong aesthetic characterization of walking surfaces thanks to the creative freedom provided by floor covering cutting techniques and laying of the joints. ^ Contents 2. Advantages of raised floors • Flexibility in the distribution and localization of engineering plants, also after laying down the floor; • Dry laying with inherent reduction of times and costs, which is particularly advantageous when recovering a building; • Design flexibility: each modification to the original project can be easily carried out; • Ease of inspection and maintenance; • Possibility to integrate with other technical finishes such as false ceiling and mobile walls.
^ Contents 3. System, the raised floor by Marazzi The fundamental characteristics of a good raised floor are the dimensional tolerance of the panels and the progressive resistance to weights. Added to these, there are also modularity and interchangeability of the components, acoustic absorbance isolation, longevity, strength and ease of maintenance. These are all the characteristics of System, the Marazzi line of raised floors that respond to the various laws, in particular the UNI EN 12825. ^ Contents 4. System components Raised floors are composed by: (1) a metallic bearing structure (2) a support panel to cover the walking area (3) Surface finish of the walking area (4) Protection system for the edges of the walking area. ^ Contents 5. Metallic bearing structure It is the supporting system for the raised floor panels and it allows the raising of the floor above the slab of the building. The zinc-steel structure is formed by columns (with a square or tube-like head) carrying and connecting beams. These are light, medium of heavy. By combining components different structures can be realized according to the requirements of the weights and the engineering solutions. ^ Contents 6. Support panel It is the central part of the raised floor. The part that requires high mechanical resistance to weights, high density in order to guarantee more acoustic absorbance and an adequate fire resistance. It can be of two types: • D Type, in wooden concrete and extreme density resins with high mechanical resistance, with a nominal thickness of 38 mm. • I Type, made of inert material (Calcium solfate), strengthened with cellulose fiber with high mechanical resistance; nominal thickness of 34 or 30 mm upon request. Both types can be have a plaqué finish at the bottom. ^ Contents 7. Exterior finish For the exterior ceramic finish, the Enduro line seems to be particularly suited. It is realized with the Firestream patented Marazzi technology. Also all porcelain stoneware are also suited. The format that is normally used is the traditional 60 x 60 cm that can be further cut in order to suit any type of environment and to allow a free composition of the floor; todat, it is also provided together with bigger formats such as the 60x90 and the 60x120 cm, that contribute to the new positioning of the raised floor. Modern cutting technologies with hydro-jet of ceramic materials can be applied also to raised floors, which leaves complete freedom to the designer in the creation of any type of personalized solution, from branded panels to inserts with materials and finishes, to combination of drawings forms by different panels. The Marazzi design office can provide CAD drawings of any project in relation to color and surface design. ^ Contents 8. Edges protection for the walking floor Marazzi raised floors use different edging technologies: • C.B. System: the surface slab is provided with an initial joint by applying around its area a polyurethane, solid, injection-mould joint, glued to panels protected by a PVC or ABS edge. The joint protects the edge of the slab from crashes. The slab is 60 x 60 cm, but it can also be composed of two elements of 30 x 60 cm or 4 measuring 30 x 30 cm. • M.B. System: through moulds, a unique block is created between the ceramic tile and the panel with joints in rigid polyurethane. With this method, rectangular and triangular formats can be obtained, providing great versatility in the final geometric shapes. •B.P. System: square ceramic slab and panel, coupled with glues and protected on both sides with a PVC or ABS rigid layer. This system allows for the creation of reduced joints between the panels and also to realize raised floor modules of 60x90 and 60x120 cm format.
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