Monday 27 May 2019  
   

Ceiling above a cold space
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An effective energy shield of ceiling constructions depends on the type of thermal insulation and the correct sequence of all the required layers. Ceiling constructions require thermal and acoustic protection, depending on the location of the ceiling and climate conditions, but also on additional foil for balanced moisture transmission.

Basement ceiling

Additional thermal insulation is installed on a ceiling, and also on the walls of a cold basement when we want to optimally reduce the heat flow between the cold basement and heated dwelling space. In case of low-energy buildings such a thermal bridge must be reduced, if this detail has not been taken care of in another manner already during the design phase. The finishing layer is applied with the adapted system ETICS, as presented at “internal insulation of spaces”.

Ceiling above an open space

Ceiling above an open space forms a part of the building façade, therefore it is usually thermally protected with ETICS façade system (rendered façade). Rigid thermal insulation boards FIBRANxps ETICS ΒΤ are used, which can be installed at the same time as building the concrete ceiling slab, with the blind formwork principle, or at the same time as the installation of the rest of the building façade is applied.

Ceiling above an open (parking) deck

Ceiling above an open deck is insulated with the thermal insulation FIBRANxps ETICS GF or BT, onto which a layer of adhesive mortar is laid, into which a façade reinforcing mesh is placed and then covered with the additional thin layer of adhesive mortar and finishing layer, following the procedure for rendered thin-layer façade. Before this, FIBRANxps ETICS GF or BT boards are glued  onto the ceiling with adhesive mortar or special PU foam, or they can be fixed with façade anchors.

Adequate thermal insulation

FIBRANxps ETICS GF – ceiling insulation

FIBRANxps 300-I – floor insulation

FIBRANxpe – foamed sealing foil and impact sound insulation

Typical examples are:

Insulation of a cold basement space, adjacent to heated space of a building, insulation of a heated room floor above an open space construction, with FIBRANxps ETICS GF

Thermal insulation of a ceiling, walls and pillars of e.g. cold basement spaces and open parking decks, under the heated part of the building, with FIBRANxps ETICS GF



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