EPS and XPS Recycling and Reuse
Industry Analysis and Implementation Strategy
Veronika Frey (TU Delft - Civil Engineering & Geosciences)
A.T. Gebremariam – Graduation committee member (TU Delft - Resources & Recycling)
Aikaterini Varveri – Graduation committee member (TU Delft - Pavement Engineering)
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Abstract
The construction industry faces significant challenges in managing the insulation material waste, expanded polystyrene (EPS) and extruded polystyrene (XPS) due to their low density, contamination
issues, and the presence of hazardous flame retardants. This study investigates the feasibility and environmental impact of different end of life methods for EPS and XPS waste contaminated with various construction materials, including glue and mortar as well as bitumen. A practical approach is taken, aiming to tailor existing recycling technologies to the specific needs and constraints of construction practices, thereby increasing the industry’s recycling rate and reducing its environmental footprint.
This work explores the entire lifecycle of EPS and XPS, from production and application to waste generation and recycling, and proposes solutions. By focusing on practical solutions and industry-specific needs, this work facilitates a shift towards a more circular and sustainable model for EPS and XPS waste management in the construction industry, offering actionable recommendations for construction companies and waste managing companies to adopt more environmentally responsible practices.