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Title: Performance parameters of ETICS: Correlating water resistance, bio-susceptibility and surface properties
Authors: Parracha, J.
Borsoi, G.
Flores-Colen, I.
Veiga, M. R.
Lina Nunes
Dionísio, A.
Gomes, M.
Faria, P.
Keywords: ETICS;Moisture transport;Surface properties;Thermal conductivity;Mould susceptibility;Performance parameters
Issue Date: 2021
Publisher: Elsevier
Abstract: The use of External Thermal Insulation Composite Systems (ETICS) significantly increased in the last decades due to their enhanced thermal properties, low installation cost and ease of application, not only in new constructions but also for thermal retrofitting of building facades. These multilayer rendering systems are constantly exposed to weathering agents and anthropic factors which can lead to physicalmechanical and aesthetical anomalies and thus affect their durability. However, possible synergetic effects among these agents are often neglected by international technical documents on the evaluation of the effectiveness and durability of ETICS. With the aim of filling this gap, moisture transport properties (capillary water absorption, water vapor permeability, water absorption under low pressure, and drying kinetics), thermal conductivity, mould susceptibility and surface properties (color, gloss, and roughness) of twelve commercially available ETICS were assessed and discussed. Possible links between these factors were analyzed and ETICS performance parameters were defined. Results demonstrate that a deeper knowledge of the correlation among ETICS properties can effectively contribute to the evaluation of the efficiency and long-term durability of these systems.
Appears in Collections:DE/NCE - Comunicações a congressos e artigos de revista

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