Yong’inga qarshi eshik bargi va eshik ramkasi mos ravishda yong’inga chidamli yog’och va po’latdan yasalgan va eshik bargi toksik bo’lmagan va zararsiz yong’in va issiqlik izolyatsiyasi materiallari bilan to’ldirilgan. Va yong’inga qarshi eshiklar eshiklarni yopish, yong’inga qarshi qulflar, yong’inga qarshi qulflar bilan o’rnatilishi kerak.

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