Insulated Sectional Steel Doors ThermoMark™ Model 530

Key Product Features

• Max Width: 40’2”
• Max Height: 24’1”
• 27-gauge exterior steel
• Polyurethane insulation
• 3” section thickness
• 10,000 cycle standard spring
• Continuous steel strips for hinge attachment
• Patented dual barrier tongue-and-groove joint profile
• PVC thermal break – prevents heat/cold transfer on end stiles

* Wayne Dalton uses a calculated door section R-value and U-value for insulated doors.
^with jamb seal

Thermal Efficiency Values

• R-value* = 26
• U-value* = .038
• Installed U-factor = .14
• Air leakage rating = .09^
• STC (sound transmission rating) = 22