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The Effect of Construction Material Selection on Project Sustainability

Abstract

Construction material selection is an important factor influencing the sustainability of building projects because materials affect environmental impact, resource consumption, project cost, durability, and long-term performance. Conventional material choices may contribute to high embodied energy, excessive waste generation, resource depletion, and environmental degradation. As the construction industry increasingly embraces sustainable development principles, greater attention is being given to the selection of materials that reduce environmental impacts while maintaining functional and economic requirements. Understanding how material selection influences project sustainability is therefore essential for improving construction practices and building performance. This study examines the effect of construction material selection on the sustainability of building projects, with emphasis on the environmental, economic, and functional implications of material choices. It considers factors such as material sourcing, embodied energy, durability, recyclability, availability, transportation requirements, maintenance needs, and life-cycle performance. The study also investigates how construction professionals evaluate these factors when selecting materials and the extent to which sustainability considerations influence material procurement and specification decisions. Sustainable material selection can contribute to project sustainability through the use of locally sourced, recycled, renewable, low-impact, and durable materials. Locally available materials can reduce transportation-related emissions and support regional economies, while recycled and renewable materials can reduce pressure on natural resources. Durable materials may also extend building service life and reduce the frequency of replacement and maintenance. The integration of life-cycle assessment principles into material selection can further assist designers and project managers in identifying materials that provide environmental benefits throughout their operational lifespan. Economic considerations also play an important role in construction material selection. Although some sustainable materials may have higher initial costs, their durability, reduced maintenance requirements, energy performance, and potential for reuse may provide long-term economic benefits. The study therefore considers the relationship between initial material costs and life-cycle costs, while examining how budget limitations, market availability, technical requirements, and client preferences influence sustainable material decisions. Despite the potential benefits of sustainable materials, their adoption may be constrained by limited availability, inadequate technical knowledge, higher initial costs, inconsistent quality, limited market awareness, and insufficient information about environmental performance. These challenges can discourage construction professionals from adopting sustainable alternatives, particularly where conventional materials are more readily available and familiar. Addressing these barriers requires improved material information, professional education, supportive policies, reliable supply chains, and greater consideration of life-cycle performance during project planning. The study concludes that construction material selection has significant implications for the overall sustainability of building projects. Strategic selection based on environmental performance, economic viability, durability, resource efficiency, and life-cycle considerations can contribute to more sustainable construction outcomes. The findings are expected to provide useful guidance for architects, engineers, quantity surveyors, contractors, clients, and policymakers seeking to improve material selection practices and promote more environmentally responsible and economically resilient construction projects.

Keywords: Construction materials, Material selection, Project sustainability, Sustainable construction, Embodied energy, Life-cycle assessment, Material efficiency, Local materials, Recycled materials, Durability, Resource conservation, Construction waste, Environmental impact, Sustainable building.