... Red, Coral Red, Burgundy Red, Coffee *Gray : Light Gray, Great Wall Gray, Deep Gray , Dark Gray 5.Normal sizes: *Thickness: 15 ... -isolated: 7-10dBN) Fire-proofing: Grade A1 Advantages of Terracotta Panel , comparing with Stone and GlassNO.ContentsTerracotta PanelNature StoneGlass1Materialhard or soft ... Variour color and surface give the designer more choice. Curtain Wall Material-Terracotta Panel