INSULATED SECTIONAL STEEL THERMOMARK MODEL 530
Strongly built to withstand severe weather conditions, the Wayne Dalton ThermoMark™ 530 Insulated Sectional Steel door provides comfort and added security to your building all year long. Experience one of NationServe’s toughest and most energy efficient doors with the ThermoMark™ 530.
- Max Width: 40’ 2”
- Max Height: 24’
- R-value: 26
- Material: Steel
- 3” section thickness
- Continuous steel strips for hinge attachment
- Patented dual barrier tongue-and-groove joint profile
- PVC thermal break – prevents heat/cold transfer on end stiles
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