Assessment of Sustainable Construction Measures in Building Refurbishment—Life Cycle Comparison of Conventional and Multi-Active Façade Systems in a Social Housing Complex

Sattler, Stefan; Österreicher, Doris

doi:10.3390/su11164487

Cited by 11 publications

(7 citation statements)

References 26 publications

(32 reference statements)

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“…Similar to our study, other researchers have determined a comparative solution of the building envelope for a masonry two-story house [27]. The authors of another study [28] have also stated that expanded polystyrene is mostly used for external thermal insulation systems. However, they have pointed out that this material is based on fossil resources.…”

Section: Selected Properties Of Available Thermal Insulation Materialssupporting

confidence: 68%

“…envelope for a masonry two-story house [27]. The authors of another study [28] have also stated that expanded polystyrene is mostly used for external thermal insulation systems However, they have pointed out that this material is based on fossil resources. Moreover they have compared a multi-active façade system based on recycled paper with a tradi tional external thermal insulation composite system (ETICS) utilizing EPS.…”

Section: Methodsmentioning

confidence: 99%

“…The evaluation during the operational phase alone resulted in a similar ecological footprint of both sys tems. However, life cycle analysis has provided a clear positive response for the multi active façade system, although with higher construction costs [28]. The environmenta costs of building materials and the need for a life cycle analysis are not yet included in the Slovak legislation.…”

Section: Methodsmentioning

confidence: 99%

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The Analysis of Small Investors’ Demands on a Thermal Insulation System for a Family House: A Case Study

2021

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This study deals with small investors’ demands on thermal insulation systems when choosing the most suitable solution for a family house. By 2050, seventy percent of current buildings, including residential buildings, are still expected to be in operation. To reach carbon neutrality, it is necessary to reduce operational energy consumption and thus reduce the related cost of building operations and the cost of the life cycle of buildings. One solution is to adapt envelopes of buildings by proper insulation solutions. To choose an optimal thermal insulation system that will reduce energy consumption of building, it is necessary to consider the environmental cost of insulation materials in addition to the construction cost of the materials. The environmental cost of a material depends on the carbon footprint from the initial origin of the material. This study presents the results of a multi-criteria decision-making analysis, where five different contractors set the evaluation criteria for selection of the optimal thermal insulation system. In their decision-making, they involved the requirements of small investors. The most common requirements were selected: the construction cost, the construction time (represented by the total man-hours), the thermal conductivity coefficient, the diffusion resistance factor, and the reaction to fire. The confidences of the criteria were then determined with the help of the pairwise comparison method. This was followed by multi-criteria decision-making using the method of index coefficients, also known as the method of basic variant. The multi-criteria decision-making included thermal insulation systems based on polystyrene, mineral wool, thermal insulation plaster, and aerogels’ nanotechnology. As a result, it was concluded that, currently, in Slovakia, small investors emphasize the cost of material and the coefficient of thermal conductivity and they do not care as much about the carbon footprint of the material manufacturing, the importance of which is mentioned in this study.

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Section: Selected Properties Of Available Thermal Insulation Materialssupporting

confidence: 68%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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The Analysis of Small Investors’ Demands on a Thermal Insulation System for a Family House: A Case Study

2021

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“…The exception is when the building is assessed in one of the voluntary environmental assessment systems. Despite the importance of environmental issues and the widespread use of ETICS, as well as extensive scientific literature in the field of LCA and EPD, the number of scientific publications on ETICS environmental impacts is still limited [27][28][29][30][31][32]. This work compares EPS based ETICS to MW based ETICS environmental impact.…”

mentioning

confidence: 99%

Environmental burdens of External Thermal Insulation Systems. Expanded Polystyrene vs. Mineral Wool: Case Study from Poland

Michalak¹,

Czernik²,

Marcinek³

2020

Sustainability

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The external thermal insulation composite system (ETICS) improves the energy efficiency of buildings, and nowadays, this method is the most popular to insulate buildings in many European Union (EU) countries. The article presents the impact of producing ETICS with expanded polystyrene (EPS) or mineral wool (MW) on the natural environment using the life cycle assessment (LCA) method. The data used in the calculations, related to 2017 real production, were obtained from the externally verified inventory from five manufacturing plants located in different regions of Poland. The LCA of the examined products covered modules from A1 to A3 (cradle-to-gate), according to EN 15804 standard. The study determines and analyses the values of basic indicators related to environmental impacts and environmental aspects of resource use. It comprises indicators calculated for 1 m2 ETICS for five thicknesses of the mentioned thermal insulation materials. Results show that for all environmental indicators, MW systems are characterized by a more negative environmental impact than the equivalent systems with EPS. The study aims to highlight knowledge about ETICS sustainability. The data presented in work are essential for assessment in terms of the sustainable development of ETICS. Such an evaluation is not just a need for the future but a necessity for the present.

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“…Although the scientific literature on the environmental assessment of various products is extensive, not much has been published on the environmental impact of ETICS [25][26][27][28][29][30][31][32][33][34][35][36][37]. The environmental impact of such thermal insulation materials as mineral wool (MW), expanded polystyrene (EPS), extruded polystyrene (XPS), polyurethane (PUR), and glass wool (GW) is quite well known [38,39].…”

mentioning

confidence: 99%

Environmental Footprint of Cementitious Adhesives—Components of ETICS

Czernik¹,

Marcinek²,

Piasecki

et al. 2020

Sustainability

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Energy saving is one of the strategic challenges facing our civilization today. Without decisive actions to reduce energy consumption, it is impossible to maintain the current standard of living. Energy consumption for heating and cooling purposes is one of the primary energy consumption sources in many countries. The external thermal insulation composite system (ETICS), which is today the most widely used solution in EU countries, increases buildings’ energy efficiency. This article investigates the impact of producing cementitious adhesives, as part of ETICS with expanded polystyrene (EPS) or mineral wool (MW), on the natural environment using the cradle-to-gate life cycle assessment (LCA) method. Cementitious adhesives have a relatively low impact on most of the environmental indicators analyzed in the paper concerning other ETICS components. The paper aims to raise awareness of the importance of the environmental impact related to the production of cementitious adhesives. Knowledge of the construction products’ environmental impact is fundamental for creating reliable databases, based on which, in the future, their environmental requirements will be determined. The environmental performance of building elements is essential for the correct determination of the buildings’ sustainability.

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Assessment of Sustainable Construction Measures in Building Refurbishment—Life Cycle Comparison of Conventional and Multi-Active Façade Systems in a Social Housing Complex

Cited by 11 publications

References 26 publications

The Analysis of Small Investors’ Demands on a Thermal Insulation System for a Family House: A Case Study

The Analysis of Small Investors’ Demands on a Thermal Insulation System for a Family House: A Case Study

Environmental burdens of External Thermal Insulation Systems. Expanded Polystyrene vs. Mineral Wool: Case Study from Poland

Environmental Footprint of Cementitious Adhesives—Components of ETICS

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