Steel + Insulation + Steel doors are built with low-maintenance, heavy-duty steel. Also know as the steel sandwich door and come in Both 2 inch and 1 3/8 thickness to obtain the desired R Value.

 Experience the strength, security, and piece of mind you get with steel.

R Values range from 6.3 to 15.67 based on model.

Triple-Layer: Steel + Insulation + Steel For the toughest, most energy-efficient steel door, a 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 and Interior Steel Durable, Reliable, Low Maintenance Environmentally Safe Polyurethane Thermal Insulation Superior Energy Efficiency Extra Quiet Operation