Advanced Intervention Protocol in the Energy Rehabilitation of Heritage Buildings: A Miñones Barracks Case Study

Lauren Etxepare, Iñigo Leon, Maialen Sagarna, Iñigo Lizundia and Eneko Jokin Uranga
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Lauren Etxepare: Department of Architecture, University of the Basque Country UPV/EHU, Plaza Oñati 2, 20018 Donostia—San Sebastián, Spain
Iñigo Leon: Department of Architecture, University of the Basque Country UPV/EHU, Plaza Oñati 2, 20018 Donostia—San Sebastián, Spain
Maialen Sagarna: Department of Architecture, University of the Basque Country UPV/EHU, Plaza Oñati 2, 20018 Donostia—San Sebastián, Spain
Iñigo Lizundia: Department of Architecture, University of the Basque Country UPV/EHU, Plaza Oñati 2, 20018 Donostia—San Sebastián, Spain
Eneko Jokin Uranga: Department of Architecture, University of the Basque Country UPV/EHU, Plaza Oñati 2, 20018 Donostia—San Sebastián, Spain

Sustainability, 2020, vol. 12, issue 15, 1-33

Abstract: Bearing in mind that dwellings generate a high environmental impact, the aim of this research is to improve their energy efficiency. The incorporation of an insulating layer in the extrados of the building envelope is the most effective way of reducing the transmittance of a facade, eliminating thermal bridges, and optimizing its energy consumption. There is no doubt about the effectiveness of this solution in terms of thermal protection. However, this process collides with the preservation of the original composition of buildings with ornate facades. This article presents a protocol for the rehabilitation of ornate facades of historic buildings through the application of an insulating layer on the outside of the walls. The protocol shows that advanced techniques applied with an integrated approach permit compatibility between energy rehabilitation and the preservation of the original value. In addition to applying strategies of a high technological level, the protocol proposes a reflection upon a balanced intervention on ornamental elements, as well as the relationship between the degree of energy improvement of an ornate facade, and the degree of preservation of the original composition. A methodology is established that combines different avant-guard techniques and systems. These include capturing reality in 3D, the Building Information Model (BIM), monitoring, advanced manufacturing, and active and passive solution simulations.

Keywords: historic building; energy efficiency; insulation; thermography; monitoring; automated photogrammetry; laser scanning; BIM; advanced manufacturing (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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