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Plastbau Metal - Characteristics

Seismic behaviour

In the areas declared seismic, Plastbau® Metal floors are highly recommended as they exhibit a consistently lower weight than traditional floors. It is possible then to horizontally use the lightest possible floors with the same resistance, keeping in mind that the seismic intensity is proportional to the weight of the single building units. The use of such a floor allows cutting the weight which is horizontally transmitted to the vertical structures, by 25%. In the case of recovery of earthquake damaged buildings, such a value is extremely important and positive.

Sound proofing

Plastbau® Metal floors exhibit intrinsic features depending on the deep attention paid to the sound output developed during the reference unit design, complying with what required by the regulations on the building passive sound requirements, as for the apparent sound proofing power (R’W) and the impact noise level index (L’nW, T). On the testing certificates it is specified , as for the specific finish and laying, that the floors comply with the minimum and maximum indexes of aerial and impact noise transmission imposed by the regulations in force. The designer using the Plastbau® Metal floors to comply with the regulations in force, should include a separation layer between the stiff surface (floor and block) suitable to limit transmission. The separation layer features would change according to the type of flooring and basic layers.

Behaviour to fire

The REI fire resistance of Plastbau® Metal floors is tested by the CSI lab in Bollate at different structure height and exercise momentum. Test results are specified on the certifications. Any test proved at the core grid level, temperatures lower by about 35% in comparison with tables included in the standard CNVVF/ CCI UNI 9502. The Plastbau® Metal floor reached a REI 180 fire resistance.

Chemical features

EPS is absolutely stable as for normal building materials, such as concrete, lime and plaster.

EPS is even more stable at acid water solutions (35% HCl; 50% HNO3; 95% H2SO4), alkalis (sodium hydrate, potassium hydrate, ammonia) and alcohols (methyl and ethyl alcohols as well). It is even more stable to bitumen and water-based asphalt masses.

Biological features

The REI fire resistance of Plastbau® Metal floors is tested by the CSI lab in Bollate at different structure height and exercise momentum. Test results are specified on the certifications. Any test proved at the core grid level, temperatures lower by about 35% in comparison with tables included in the standard CNVVF/ CCI UNI 9502. The Plastbau® Metal floor reached a REI 180 fire resistance.

Stability in time and ageing

The material ageing is the variation in time of its features. If EPS is used perfectly knowing its features, and therefore taking it chemical limits into account, its application last in time, with no change of its original features.

Stability

Environmental aspects

Advantages offered by EPS in terms of environmental impact are extremely important when the material life cycle is considered, from the raw material extraction to production, transportation, use up to recycling and disposal. When you have to replace the original insulations with foam polystyrene, it first of all means reduce digging the ground without removing non removable resources such as clay and quarry inert components. It also means cutting energy consumptions, and therefore pollution as well. In fact to manufacture 1 cubic meter of floor insulation, 196,000 kcal are required. To manufacture instead 1 cubic meter of PLASTBAU Metal panel, you only need 110,000 kcal. Foam polystyrene furthermore does not hold any harmful gas for the ozone layer (CFC) and does not release any emission in time. EPS benefits are also confirmed as for the consumption of fuels, carbon dioxide emission and energy saving supported by the material insulation features, thus avoiding and preventing any greenhouse effect. What is more EPS is entirely recyclable. It can be ground and then mixed with virgin foam polystyrene to manufacture formwork packages for the building sector or it can be used as in inert to manufacture light concrete mortars. Eco-compatibility and long-duration subsidence requirement declarations on EPS (Sintered foam polystyrene) are available drafted according the declarations issued by the certification bodies at the national level such as LCE, Life Cylce Engineering, IIP Istituto Italiano dei Plastici.


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