E3S Web Conf.
Volume 49, 2018SOLINA 2018 - VII Conference SOLINA Sustainable Development: Architecture - Building Construction - Environmental Engineering and Protection Innovative Energy-Efficient Technologies - Utilization of Renewable Energy Sources
|Number of page(s)||9|
|Published online||13 August 2018|
The impact of renovation plasters on desalting and drying of damp walls
University of Bielsko-Biala, Faculty of Materials, Civil and Environmental Engineering ul. Willowa 2, 43-300 Bielsko-Biala, Poland
* Corresponding author: firstname.lastname@example.org
Renovation plasters have been used in the construction industry since the early 1970s. Although the benefits they offer are obvious, there were also critical opinions about the adverse effect of the plasters on the durability of the walls. The complaints mainly concerned the tendency of renovation plasters to accumulate water in the wall, which in the winter time resulted in peeling of the plasters. As a result, more and more often conservators began to refrain from applying renovation plasters in historic buildings in favour of lime plasters without the porosity-increasing additions. The article presents an analysis of the walls which can be encountered in the renovation practice. For selected buildings undergoing renovation, the moisture content of walls, their strength, microstructure and water sorption were determined. Renovation plasters, whose microstructure and properties matched the properties of the walls, were used for their renovation. Plasters with optimal microstructure enabled salt accumulation, crystallized salts did not lower their durability and did not lead to cracking or peeling.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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