90 minutes fire rated exterior door,louver fire rated steel door,swing type double leaf fire room door

Rezistenca ndaj zjarrit e dyerve të zjarrit prej çeliku është e ndryshme, dhe rezistenca e tyre ndaj zjarrit mund të ndahet në tre klasa: A, B dhe C.

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90 minutes fire rated exterior door,louver fire rated steel door,swing type double leaf fire room door-Derë ZTFIRE- Derë zjarri, Derë e papërshkueshme nga zjarri, Derë e vlerësuar ndaj zjarrit, Derë rezistente ndaj zjarrit, Derë çeliku, Derë metalike, Derë Dalje