Triple-Layer: Steel + Insulation + Steel
For the toughest, energy-efficient steel door, a Heritage 3000 triple-layer door includes the ultimate in thermal properties, plus a layer of steel for a finished interior look and added durability.
• Heavy-Duty Exterior Steel
• Durable, Reliable, Low Maintenance
• Environmentally Safe Polystyrene Thermal Insulation
• Superior Energy Efficiency
• Extra Quiet Operation