Your browser isn’t supported any longer. Update it to get the very best YouTube expertise and our newest attributes. Find out 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?l