Smoke-proof fire seals with 35 mm expansion feature are used. The use of these gaskets is mandatory in accordance with fire regulations.Yang?n an?nda baplar?n sa?l?kl? ?ekilde aç?l?p - kapanmas? Yang?n Kap?s? Mente?esi kalitesi ve gayr? Yang?n Kap?s? Aksesuarlar? ile uyumuyla hakl? orant?l?d?r. ?çerideki tütün ve ?s?n?n d??ar?ya yans?mamas? der