Increasing Construction Quality of External Thermal Insulation Composite System (ETICS) by Revealing on-site Degradation Factors

Procedia environmental sciences Pub Date : 2017-01-01 DOI:10.1016/j.proenv.2017.03.160

Virgo Sulakatko , Eneli Liisma , Erki Soekov

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引用次数: 17

Abstract

The installation of External Thermal Insulation Composite System (ETICS) enables to protect building envelope from natural weather effects and increase energy efficiency. As the system can be installed externally with simple work methods the usage is growing in European countries. The quality of the outcomeisinfluencedby design, material selection, and on-site construction process. The on-site fixing process of ETICS is guided by numerous regulations and guidelines which have aninsignificant impact on the actual construction technology. A list of Degradation Factors (DF) is created to classify the relevant on-site activities.

Categorised on-site Degradation Factors are basing onvarious studies, standards, and regulations set for products. The shortcomings are categorised in eight sets: substrate, mixtures, adhesive, insulation, anchors, reinforcement, finishing layer and auxiliary materials. Additionally, a field study has been conducted to test the occurrenceof on-site shortcomingsin Estonia. The collected measurements and observations did not reveal severe and systematic installation failures, but random deviations occurred in most layers which might lead to the degradation of ETICS.

The paper categoriseson-site shortcomings which can lead to theloss of technical performance during the service life of the façade.

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揭示现场退化因素，提高外保温复合体系(ETICS)的施工质量

外保温复合系统(ETICS)的安装可以保护建筑围护结构免受自然天气的影响，并提高能源效率。由于该系统可以通过简单的工作方法安装在外部，因此在欧洲国家的使用正在增长。结果的质量受设计、材料选择和现场施工过程的影响。ETICS的现场固定过程有许多法规和指导方针，对实际施工技术影响不大。制定了退化因素清单，对相关的现场活动进行分类。分类的现场降解因素是基于各种研究、标准和为产品设定的法规。缺点分为八组:基材、混合物、粘合剂、绝缘、锚、加固、饰面层和辅助材料。此外，还进行了一项实地研究，以检验在爱沙尼亚发生的现场缺陷。收集的测量和观察没有发现严重和系统的安装故障，但在大多数层中发生随机偏差，这可能导致ETICS的退化。本文对在faalade使用寿命期间可能导致技术性能下降的现场缺陷进行了分类。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Procedia environmental sciences

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