Top-class Steel Security Doors, Anti-thelf, fireproof, Keeping color for 10years at least. CE & ISO certificate. Steel ... 07mm Frame: 2mm +/-0.1mm 3. Infilling with rock woll, fireproof\heat preservation etc. 4. Manual painting, color fasten more than ... )door leaf fill with rock woll,heat preservation,sound insulating, fireproof, moisture-resistant effect, thiefproof(5)non-fading color, manual painting ...