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1 2012

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Implementation of ventilated air cavities and problems with thermal bridges

Renčko T., Sedláková A.

Zeszyty Naukowe Politechniki Rzeszowskiej. Budownictwo i Inżynieria Środowiska

2012

z. 59, nr 1/I

211-221

Historical buildings generally have no, or only have a passive protection of structures against the ingress of moisture in contact with soil. Materials embedded in structures of these buildings are often saturated with moisture. When reconstructing, we must apply a different methodology than when reconstructing the newer buildings. Differentiated treatment is affected by traditional construction technologies and also by the mechanical and physical properties of building materials. As regards listed historic monuments, special „barrier” is constituted by the monument protection office, or rather the opinion of the representative of the monument protection office. Its priority is the selection of those remedial treatments, which, if not stop the spread of moisture, at least eliminate it. In all of that there is the emphasis on the methodology of preservation of historical monuments and constructional possibilities of historic buildings. With respect to the abovementioned requirements, the acting humidity can be effectively removed, using ventilated air cavities. These are commonly used in connection with remedial treatments of damp masonry, especially in historic buildings.