Bestway BAU Eco-System Ltd.

German Technological Breakthrough for external facings, we employ panels with a core of 10cm minimum of EPS that, together with the discharged concrete, with a wall section of 17,50 cm (taking into account an environmental exposure class IIa). This thickness can be used in Spain without having to add any linings or cavity walls, as the thermal transmittance value fulfils the CTE DB-HE (Energy Save Basic Document Building Technical Code) standard in all the national territory. Nevertheless, by clients' request and due to design reasons, a greater wall thickness could be used. If the panel works as a bending stress (as a land retaining wall) the thickness will be established by calculation in order to bear the earth pressure.

In the case of the frameworks, it will be carried out by a pre-dimensioning of the edge according to the main spans of the building to be built with this System. That section will later be checked by calculation. The maximum section of framework elements type BPF is 28 cm (5cm of compression layer, EPS core of 20 cm thick and lower concrete layer of 3 cm thick).

Baupanel is not a prefabricated system. It could be much better defined as an industrialized or semi-prefabricated system, because the panel is made in the factory and delivered with the exact length according to its position in the building design. The micro-concrete is discharged on site.

The main advantages of the above are: Greater flexibility in the building works if it is necessary to reform the project. The setting out can be done with lower accuracy than in prefabricated system. Since the micro-concrete is discharged on site, there is a total lack of joints (except for the structural ones each 40 m), Etc. Previously, it would be carried out by cutting up of the building, or detailed panellizing, with a list of the different types and lengths of the panels to be manufactured.

Unlike other systems, such as, for example, Pladur, Baupanel does not need any special fitting and there is not any weight limit to hang objects up on the walls or ceilings.Since the facings are of armed concrete, the only precautionary measure is to use specific bits for this material.

German Technological BreakthroughThe central core of the panel is made up of expanded polystyrene with a density of 15 kg/m3 - 25 kg/m3 that is cut in an undulated way to improve the adherence of the concrete when discharged. The mentioned EPS core is flanked with meshes of straight and/or corrugated steel, depending on the kind of panel, which are linked together by a series of connectors that go through the EPS core.

German Technological BreakthroughIt can be a structural system because in the construction work we employ a micro-concrete HA-25, specifically formulated for this system, as well as panels including corrugated reinforcements. Thus, the international standards for the concrete, as well as the EHE-08, in force in Spain, are observed. If this System was just used as a closing for buildings, we could employ discharged mortars of lesser resistance, as well as panels without corrugated steel (just galvanized straight steel).

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