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Development of Building Elements with Thermal Insulation Filler Based on Secondary Raw Materials

With increasing requirements for properties of envelope design in respect of thermal protection of buildings also requirements for building material properties have been growing. In case of ceramic shaped pieces for peripheral structures the way to further improvement of its thermal insulation properties is quite difficult. Generally thickness of interior groins can be reduced and its geometrical layout changed or the ceramics blocks dimensions increased and thus width of the masonry construction. Use of insulation filler integrated in block cavities is the alternative technology of production of insulation special shapes of high insulation properties. In these cases the ceramic fragment ensures the mechanical stability of the block and integrated insulation layer in smaller or bigger part (depending on its part) the thermal properties and eventually also the acoustic and insulation ones. The paper describes application possibilities of insulation materials based upon waste textile fibres as integrated layer in current masonry ceramic blocks of high utility properties.