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Vacuum insulation panels in construction solutions for energy efficient retrofitting of buildings. Two case studies in Spain and Sweden

机译：施工解决方案中的真空绝缘板，用于节能改装建筑物。西班牙和瑞典的两种案例研究

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Vacuum insulation panels (VIPs) represent a huge opportunity to achieve nearly zero energy buildings, especially in the retrofitting of existing buildings. VIPs can be applied in conjunction with facade cladding elements, considerably reducing the heat losses or gains from the building by means of very slim wall construction systems or retrofit solutions. However, the fact that VIPs cannot be cut on-site, can be easily damaged during their handling, installation and use and have an envelope that can cause thermal bridging in the junction between panels or when combined with other materials, has hindered their penetration in the construction market.This paper presents two innovative facade retrofitting solutions, a rear ventilated facade and a stud mounted internal solution, that have tackled all these issues and provide thermal transmittances of 0.28 and 0.14 W/m(2) K in relatively slim insulation systems of 10 cm widths. Solutions have been installed on the entire facade of two existing buildings located in Bilbao (Spain) and Malmo (Sweden) subjected to an integral rehabilitation process, covering 2100 m(2). Buildings energy use have been monitored before and after the renovation, showing energy cuts of around 35% from pre-intervention status.This paper presents the lessons learnt during the design and installation process of the vacuum insulation integrating solutions in the facade of two existing buildings and the thermal performance results achieved after their retrofitting. (C) 2019 Elsevier B.V. All rights reserved.
机译：真空绝缘板（VIPS）代表实现近零能量建筑的巨大机会，特别是在现有建筑物的改造中。贵宾可以与外立面包层元件一起使用，通过非常纤薄的墙壁构造系统或改造解决方案，显着降低了建筑物的热损失或收益。但是，贵宾无法在现场切割的事实，可以在处理，安装和使用过程中容易地损坏，并且具有可能导致面板之间的连接中的热桥接或与其他材料相结合的信封，阻碍了它们的渗透该纸张介绍了两种创新的外立面改装解决方案，后透气外墙和螺柱安装的内部解决方案，这些问题采用了所有这些问题，并在相对薄薄的绝缘系统中提供0.28和0.14W / m（2）k的热透射率10厘米的宽度。解决方案已经安装在位于毕尔巴鄂（西班牙）和马尔默（瑞典）的两座现有建筑物的整个外观上进行了整体康复过程，覆盖了2100米（2）。建筑物在装修之前和之后监测了能源使用，显示出从前行服的能量削减约为35％。本文介绍了在两个现有建筑物外观的真空绝缘的设计和安装过程中学到的经验教训并且在改装后实现的热性能结果。 （c）2019 Elsevier B.v.保留所有权利。

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