Sustainable Materials

المواد المستدامة

Defining Sustainable Materials

The term sustainable materials encompasses construction products and assemblies that demonstrate reduced environmental impact compared to conventional alternatives across one or more dimensions of sustainability: lower embodied carbon (greenhouse gas emissions from production and transport); higher recycled content (reducing demand for virgin raw materials); local or regional sourcing (reducing transportation emissions); low VOC emissions (protecting indoor air quality); durability and longevity (reducing replacement frequency); end-of-life recyclability (contributing to circular economy principles); and responsibly sourced raw materials (certified timber, conflict-free aggregates).

Key Sustainability Criteria for Materials

In the UAE construction context, the most practically significant sustainability criteria for material selection are: Embodied carbon — the carbon dioxide equivalent (CO₂e) emissions associated with manufacturing, transporting, and installing a material, quantified through a Life Cycle Assessment (LCA) and declared in an Environmental Product Declaration (EPD). As operational energy efficiency improves and building energy decarbonises, embodied carbon is becoming the dominant lifecycle carbon contribution of buildings — making material selection an increasingly critical decarbonisation lever. Recycled content — the proportion of a material derived from post-consumer or post-industrial recycled feedstock, reducing demand for virgin resource extraction. Regional sourcing — specifying materials manufactured within a defined radius of the project site (typically 800km under LEED, or 50km for maximum credit) reduces transportation-related emissions and supports the local construction economy. VOC emissions — the volatile organic compound off-gassing profile of adhesives, paints, sealants, and composite wood products used in interior applications.

UAE Regulatory Framework and Green Building Credits

Under Al Sa’fat, the Materials category awards credits for: specifying products with verified recycled content; using materials with published EPDs; sourcing regionally manufactured products; specifying low-VOC interior finishes; and diverting construction waste from landfill. Under LEED Materials and Resources, a sophisticated Building Product Disclosure and Optimisation (BPDO) credit framework rewards manufacturers who publish EPDs, declare raw material sourcing policies, and optimise product ingredients for health and environmental performance. The UAE construction market is increasingly responding to these requirements, with major regional manufacturers of concrete, steel, aluminium, and gypsum products publishing EPDs to support green building certification projects.

تعريف المواد المستدامة

يشمل مصطلح المواد المستدامة منتجات البناء والتجميعات التي تُثبت تأثيراً بيئياً مُخففاً مقارنةً بالبدائل التقليدية عبر بُعد أو أكثر من أبعاد الاستدامة: كربون مُجسَّد أقل، ومحتوى مُعاد تدويره أعلى، والمصادر المحلية أو الإقليمية، وانبعاثات VOC منخفضة، والمتانة والطول العمري، وقابلية إعادة التدوير في نهاية العمر**، والمواد الخام المستخدمة بمسؤولية.