fire rated door 30 x 78,fire door sizes,size of fire door frame

Ny varavarana afo dia tsy mirehitra, tsy mipoaka, mahatohitra rano, mahatohitra simika, tsy misy poizina ary manana hery mekanika tsara. Ny vavahadin’ny afo dia manana fanoherana avo lenta. Ao amin’ny fitsapana fandoroana simulated, dia tsy miova izany rehefa mahatratra 800 degre ny mari-pana ambony indrindra, ary manana fanoherana tsara sy fanoherana ny lelafo.

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