Heavy Duty 18 Gauge galvanized or Galvannealed steel
Full Body Insulated Polystyrene Core or honeycomb core
1-3/4" Thickness Only
I recommended the surface treatment is that finished paint or primer paint or powder coating process
Standard configuration with ul hardwrre like lock set ,panic bar hinge ,flush bolt door closer and others.
Fire-rated up to 3 Hours (Optional)
Meets or Exceeds Standards for ul 10c or 10b .
Product Name：Metal Fire Door