Selection of low-carbon building materials in construction projects: construction professionals’ perspectives

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Chan, Melissa ORCID: 0000-0003-1589-6850, Masrom, Md Asrul Nasid and Yasin, S (2022) Selection of low-carbon building materials in construction projects: construction professionals’ perspectives. Buildings, 12 (4). ISSN 2075-5309

Abstract

The construction sector in Malaysia has been facing challenges in productivity due to the increase in greenhouse gas (GHG) emissions. This study aims to enhance the usage of low-carbon building materials among construction professionals so that the carbon emission and GHG can be reduced during the early stage of construction. The scope of this research involved main parties in the Malaysian construction industry, represented by fifty professionals including contractors, consultants, and architects with a focus on low-carbon building materials. Procedures in this study involved a literature review on low-carbon building materials in the construction industry followed by a questionnaire survey with analysis using One-way Analysis of Variance (ANOVA). Major study findings indicated that there is a significant need for increasing the awareness of low-carbon building materials, as this is vital to introduce the concept of sustainable development and consequently cutting down carbon emissions to all parties working in construction. The study also suggested that barriers in adoption also prevent alternative material choices as a means of mitigating embodied carbon emissions. Many of these barriers are common across materials with uptake restricted by lack of demonstration projects, regulation, high costs, shortage of skilled labor, lack of design knowledge, time constraints, and lack of knowledge on LCA. The results are significant as the construction industry can seek to overcome these barriers by providing more information on material performance, design training on alternative materials, cost reduction on low-carbon materials, and more demonstration projects as well as case studies. From the work in this study, the industry must also share the knowledge on embodied carbon and implement regulations that will limit embodied carbon. The industry must adopt a business case strategy in encouraging greater value in assessment schemes to adopt low carbon building materials.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/44150
DOI https://doi.org/10.3390/buildings12040486
Official URL https://www.mdpi.com/2075-5309/12/4/486
Subjects Current > FOR (2020) Classification > 3302 Building
Current > FOR (2020) Classification > 4005 Civil engineering
Current > Division/Research > College of Science and Engineering
Keywords GHG, greenhouse gas, climate change, sustainability, built environment
Citations in Scopus 3 - View on Scopus
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