Panneau polystyrène extrudé URSA sol sous-chape Ep.20mm,1.25x0.6m | Leroy Merlin
Extruded polystyrene panel XPS URSA NIII EI smooth with interlocking male female 280x60 cm various thicknesses - 5 CM MQ.PACCO 13.44 (8 panels) : Amazon.co.uk: DIY & Tools