Fire Rate 90 min. And 50 Stc Wood Door

The fire resistance time of Grade A wooden fire doors is not less than 1.5 hours, and only if this is met can it be called Grade A fire doors. The thickness of Class A fire doors is generally 50mm.

Fire Rate 90 min. And 50 Stc Wood Door-Ụzọ ZTFIRE- Ọnụ ụzọ ọkụ,Ọnụ ọkụ na-ekpuchi ọkụ, Ọnụ ụzọ ọkụ ọkụ, Ọnụ ụzọ na-eguzogide ọkụ, Ọnụ ụzọ ígwè, Ọnụ ụzọ ígwè, Ọnụ ụzọ ọpụpụ