Your browser isn’t supported any longer. Update it to have the ideal YouTube knowledge and our most recent functions. Learn more Çelik evlerin ses ve ?s? yal?t?m? nas?ld?r? Çelik evlerde kulland???m?z d?? duvar kal?nl??? ~ 140 mm’dir. Ek yal?t?m malzemeleri kullan?ld?