Creation of a collaborative rehabilitation ecosystem, integrating innovative technologies


The main objective of the REZBUILD project is to create a collaborative rehabilitation ecosystem, integrating innovative technologies, and focusing on the existing housing stock. The aim is to increase the annual rate of building renovation from the current 1% to try to reach 2.5%.

CARTIF, in collaboration with VIAS, is responsible for the development of 3D printing systems for façade renovation.

The REZBUILD consortium brings together 13 partners from 5 different countries: Officinae Verdi Group (Italy) as project coordinator; VIAS, CARTIF, Comunidad de Madrid, Saint-Gobain Placo Ibérica, ONYX Solar and Zabala Innovation Consulting (Spain), ESTIA (France), SINTEF and OBOS (Norway), University of Nottingham (UK) and Rimond (Italy).


  • Energy reduction: A reduction of energy consumption of at least 60% through the developed decision strategy.
  • Time saving: A reduction of installation times by at least 30% compared to traditional renovation work.
  • Payback period: A payback period of less than 12-15 years using the renovation technologies developed in the project.


  • Design and implement a multi-collaborative rehabilitation ecosystem as an accessible platform.

  • To develop advanced and cost-effective technologies for housing rehabilitation that improve comfort and demonstration in three different types of housing.

  • Define new business models to accelerate the renovation of existing buildings.

  • New training procedures for the necessary new highly qualified jobs.

Expected results

  • Reduction of at least 60% in energy consumption while improving indoor environmental quality.

  • Decrease the installation time by at least 30% compared to typical renovation process.

  • Demonstration of a high replicability potential and a large market uptake capacity.

  • Affordability considering all costs involved, with a payback period below 15 years.

  • New generation of skilled workers and SME contractors capable to apply a systemic approach to renovation.


Horizon 2020


Total budget: 9.038.208,75 €
CARTIF budget: 523.212,5 €
Duration: October 2017 – September 2021


José Mª Llamas

Project manager at Cartif

Industrial and Digital Systems Division


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