The RenoZEB multifunctional Plug&Play facade designed, prototyped and validated in different buildings along the activities of the RenoZEB project, has obtained positive and remarkable achievements. The actions conducted along the project life have allowed to demonstrate how the initial concept was well founded and how the road opened by the utilization of multifunctional P&P facade can represent a valuable solution to support deep renovation for existing building stock. Indeed, thanks to a building envelope prefabricated solution and the integration of multiple and multi impact technologies (windows, blinds, BIPV, solar collector, IoT) can be designed in a customizable way, providing a facade kit which can support architects and building owners in the selection of the best retrofitting solution for their specific project. In particular, a key success parameter of the solution was obtained from different P&P facade validation steps: the multiple laboratory facade tests demonstrated the facade complying with the European standards and norms; the Kubik validation was capable to demonstrate the thermal performances achievable and the correctness of installation procedure, Estonia & Spanish demo building retrofittings validated on the one side the easy installability of the facade for non-expertise local workman, but trained by the RenoZEB training activities and supporting documents defined, and on the other side the full system for low intrusiveness, performances and inhabitants appreciations of the solution. To resume, the successful achievements of the RenoZEB multifunctional P&P facade are: - to customize architectural design (dimension and finishing) based on building project;
- to customize technologies to be embedded in facade based on deep retrofitting strategy;
- to allow a certain degree for control of tolerances to meet existing building misalignments;
- to offer an easy installation for non-already experienced workmen thanks to the P&P approach;
- to guarantee people to remain inside their apartment without affecting for a long period and with too much disturbing noise their daily activities;
- to improve the building aesthetic, its performances and, consequently, its property value.
RenoZEB multifunctional P&P facade is validated solution able to be put in the market an all-in-one P&P solution for building envelope, maintaining the key role of building designer (architect and engineer) for the customization of the RenoZEB facade solution for each building based on specific needs for deep retrofitting strategy, building requirements, architectural valorisation and budget available.
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