... PVC-Coated Cover + Galvanized Steel Components. 4. Widely used for wedding, party, outdoor, event, exhibition, ceremony, festival, ... -Coated Polyester --- 850 g/ square meter (For Roof) and 660 g/ square meter (For Walls); Flame Retardant, UV Resistance, ... Waterproof, Comply to DIN 4102 B1, M2 ( European standard ). 5.Galvanized Steel Components for ...