Abstract
Phase change materials (PCMs) are materials with the ability of absorption of latent heat based on a phase change. PCMs are able to store and release a large amount of energy at certain temperatures melting or freezing. The aim of the research is to verify whether this phenomenon (material) can be used within an external thermal insulation composite system (ETICS). This is particularly the usage of PCMs in the base coat. The research is focused on two main areas. The first area concerns the water condensation on the surface of the ETICS and the associated phenomenon of algae attack. The second area concerns the warming of ETICSs with the use of dark color shades. Practical experiments showed a positive effect of PCMs on the heat-storage properties of the ETICS base coat. It was also experimentally verified that the PCM sample did not condense water vapor on the sample surface compared to the reference sample.
Highlights
external thermal insulation composite system (ETICS) is the abbreviation for External Thermal Insulation Composite System
Redispersible powder is a water-redispersible vinyl acetate/ethylene copolymer powder produced by Dairen that is readily dispersible in water and forms stable emulsion
The Micronal product was used mainly in initial tests to verify the performance of this material within the ETICS base coat
Summary
ETICS is the abbreviation for External Thermal Insulation Composite System. Typical system components are adhesive, thermal insulation material, anchors, base coat, reinforcement (usually glass fibre mesh) and finishing layer: finishing coat with a key coat (optional) and/or a decorative coat (optional) and accessories, e.g., fabricated corner beads, connection and edge profiles, expansion joint profiles, base profiles, etc. The primary goal is to save energy when heating or cooling the building [1,2]
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