steel fire door Single open

Steel fire doors (national standard, American standard) Single open

Main material: high-quality cold-rolled steel plate

Door frame thickness: 1.2-1.5mm

Stainless steel door leaf panel: 0.8-1.2mm 

Door leaf thickness: 45-50mm

Material filling: perlite fireproof board 

Fire rating: Grade A 1.5h, Grade B 1.0h, Grade C 0.5h Product surface: electrostatic spray 

Regular size: 900×2100mm