National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Study of moisture conditions in the facade wall after application of the ETICS
Ševčíků, Robin ; Steuer,, Radek (referee) ; Šťastník, Stanislav (advisor)
In the last decades the application of ETICS (external thermal insulation composite system) became a popular measure to improve the energy performance and the weather resistance of facades in the building stock. However, hand in hand with that the problem of microorganisms such as algae and fungi on facades has substantially increased in re-cent years. One of the main reasons is the interaction of climate influences with modern compositions of thermal insulation systems resulting besides of large thermal and mois-ture loads in occurrences of green covers of algae on facade surfaces. The algae popula-tion on facades with ETICS is supported by the sufficient humidity, caused by the night temperature decrease of surface to the dew-point temperature and by consequent con-densation of vapour. The thermal radiation against clear night sky is responsible for the origin of this periodically repeated phenomenon. This bachelor’s thesis is concentrated to the description of available knowledge in this field and explains the phenomenons by means of principles of building physics. Moreover, at the end, in the practical part, there are presented the results of author’s own measurements concerning determination of basic properties of commonly used fa-cade materials (spectral emissivity, absorbing power), important with regard to the sub-ject of the thesis.
Study of moisture conditions in the facade wall after application of the ETICS
Ševčíků, Robin ; Steuer,, Radek (referee) ; Šťastník, Stanislav (advisor)
In the last decades the application of ETICS (external thermal insulation composite system) became a popular measure to improve the energy performance and the weather resistance of facades in the building stock. However, hand in hand with that the problem of microorganisms such as algae and fungi on facades has substantially increased in re-cent years. One of the main reasons is the interaction of climate influences with modern compositions of thermal insulation systems resulting besides of large thermal and mois-ture loads in occurrences of green covers of algae on facade surfaces. The algae popula-tion on facades with ETICS is supported by the sufficient humidity, caused by the night temperature decrease of surface to the dew-point temperature and by consequent con-densation of vapour. The thermal radiation against clear night sky is responsible for the origin of this periodically repeated phenomenon. This bachelor’s thesis is concentrated to the description of available knowledge in this field and explains the phenomenons by means of principles of building physics. Moreover, at the end, in the practical part, there are presented the results of author’s own measurements concerning determination of basic properties of commonly used fa-cade materials (spectral emissivity, absorbing power), important with regard to the sub-ject of the thesis.

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