... and antirust 4.fast delivery Deatiled specifications for EPS sandwch roof panels1. Characteristics,Lightweight, excellent quality &beautiful design, supreme ... .3.specification, Effective widthWall panel: 950mm 1150mm 1000mm 1200mm. Roof panel: 960mm 970mm.Lengthcustomized.MaterialsPolystyrene foam board(EPS), Color steel ... , storages, exhibition halls, gymnasiums etc. LAR-W41 sandwich roof panel