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RIBuild Report Summary

Project ID: 637268

Periodic Reporting for period 1 - RIBuild (Robust Internal Thermal Insulation of Historic Buildings)

Reporting period: 2015-01-01 to 2016-06-30

Summary of the context and overall objectives of the project

RIBuild makes historic buildings more energy efficient
RIBuild is an EU research project that develops guidelines on how to install internal thermal insulation in historic buildings, i.e. buildings erected before 1945/1950 while maintaining their architectural and cultural heritage. Therefore external insulation of the buildings is not a possibility.
The purpose is to reduce energy consumption in historic buildings in order to meet the EU 2020 climate and energy targets.
RIBuild stands for Robust Internal Thermal Insulation of Historic Buildings.
Significant potential for energy savings in historic buildings
Today, historic buildings make up 30 % of the European building stock. Historic buildings account for more than a third of the total energy consumption of buildings in the EU. Therefore it is vital to reduce their energy consumption, e.g. by installing thermal insulation at the external walls. This will also improve the indoor climate as poorly insulated walls often gives rise to draft close to the walls.
The potential for energy savings in historic buildings is 15-20 %. However, installing internal insulation can be a difficult task subject to a certain risk of failure and high costs. Building owners and practitioners in the construction industry need knowledge and guidelines on how to handle internal thermal insulation in historic buildings in an effective and secure way. RIBuild has set out to fill this gap.
Till the end of 2019, RIBuild will investigate in depth how and under what conditions internal thermal insulation can be employed. Research activities include on-site case studies as well as simulations and laboratory measurements of materials. The RIBuild project will result in comprehensive guidelines on how to install internal thermal insulation in historic buildings. RIBuild is limited to heavy external walls (stone, brick, timber framing) excluding wooden buildings.
Guidelines for practitioners
The guidelines on how to install internal insulations in historic buildings aim to help authorities, building owners, consulting engineers, contractors and other professional practitioners within the building sector in the EU. The guidelines will be applicable to historic buildings all over Europe.
The guidelines help both the decision-making on solutions and in the planning phase. A number of guidelines will be developed. e.g.:
• Guidelines for determining whether a building is suitable for internal insulation or not
• Guidelines for a standardised simulation and testing methodology
• Guidelines with a catalogue of possible solutions depending on the construction type, climate etc.
• Guidelines for evaluating the energy saving potential and the environment impact

Work performed from the beginning of the project to the end of the period covered by the report and main results achieved so far

In the first 18 months period of the project the project consortium has activated all the work packages defined in the project, and has met four times (bi-annual) to coordinate the project. Further a number of WP meetings where the content of the different work packages were planned more in detail, the different partners got to meet each other and not at least relevant issues cross-linking the WPs was discussed. The first WP (WP1) has concluded its work by producing two deliverables. The first one (D1.1) is based on a screening on the existing buildings stock (amount, construction type, building materials, mail deterioration symptoms, etc.) and examples of renovation of historic buildings carried out (D1.1). The second one (D1.2) is based on a literature survey on existing insulation materials and methods for application in historic buildings, and on methods, tools and guidelines used as decision tools for implementation of internal insulation in historic buildings. The other WPs dealing with specific research aspects of robust internal thermal insulation (WP2-WP6) are busy with measurements, simulation model development, discussions on the format and content of the guidelines, etc. The first results from these WPs are scheduled during the next project review period.
In WP7 - taking care of communication and dissemination - an external project website ( has been developed as well as an internal website for partners based on SharePoint. Further network partnerships were formed and a seminar was held presenting RIBuild to the public and discussing the need and potential as well as the risks of internal insulation. 50 organisations from eight European countries have signed up as partners. Videos and presentations from the seminar are available at the project website. A part of the purpose of the seminar was to get input from especially practitioners on the form and substance of the coming RIBuild guidelines. A survey distributed to seminar participants and communication partners was developed to further explore what challenges practitioners experience about internal insulation and to gain ideas for the RIBuild guidelines. Conclusions from the survey will be made in the next report period.
An External Expert Advisory Board has been established and the first meeting with the board was held during this review period, giving valuable input to the contents and goals of the project. Further, the Project Manager has established contact with a number of other EU research projects.

Progress beyond the state of the art and expected potential impact (including the socio-economic impact and the wider societal implications of the project so far)

No Progress have been made yet beyond state-of-the-art and the potential impact.

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