... Fire and Moisture Resistant CE, ASTM waterproof Wood Plastic Composite decking cover for WPC terrace, balcony, pool, SPA floor - Anti-UV1. ... Surface Treatment: Sanding 6. Life Span: Meisen WPC could be used outdoor for more than 15 years7. Certificate: CE, ASTM, ... ROHS, ISO90018. Accessories for installation: joist (MS40K30, MS40S25, ...