1. ASTM D6817 D6817M 15. Standard specification for rigid cellular polystyrene geofoam. West Conshohocken, PA: American Society for Testing and Materials (ASTM) International; 2015.
2. ASTM C165-07. Standard test method for measuring compressive properties of thermal insulations. West Conshohocken, PA: American Society for Testing and Materials (ASTM) International; 2012.
3. Environmental Protection Agency, Green buildings; 2015. .
4. ASTM D1621-10. Standard test method for compressive properties of rigid cellular plastics. West Conshohocken, PA: American Society for Testing and Materials (ASTM) International; 2010.
5. Rigid cellular plastics – determination of flexural properties – Part 2: determination of flexural strength and apparent flexural modulus of elasticity; 2010.