The Changes of Moisture Absorption Properties during the Service Life of External Thermal Insulation Composite System
Keywords:ETICS, rendering, water absorption, moisture, freezing, durability, bond strength
AbstractThis paper provides initial results from experimental work on the durability of external thermal insulation composite system (ETICS). In order to predict service life of ETICS, the accelerated climatic cycle was composed on the basis of earlier scientific research and the statistic data of the Lithuanian climate. The research aims to assess the durability and service life of finishing coat by calculating the amount of moisture while measuring the 24 h water absorption of the samples during water absorption and drying testing either by measuring the changes of bond strength. The offered accelerated weathering cycle could be useful for ETICS manufacturers and it could be used for testing and proof of highly frost-resistant products.
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