steel security door 1.damp proof, heat insulation,sound insulation,anti theft,anti moth 2.high quality,Luxury,shining Single leaf steel security doors with stainless aluminum decrationA: specifaction1Material Cold-rolled steel sheet for door leaf and frame with heat transfer-printing or powder coating. (steel sheet thickness available from 0.6mm~1mm for door panel; 1.2mm~2.0mm for door frame) ...