Ribbed Panel Steel Sectional Doors

500 Series

Premium-duty 20 gauge and heavy-duty 24 gauge steel insulated garage doors offer long-lasting dependability and quality to meet the rigors of daily use in most commercial and industrial applications. 25 gauge insulated steel garage doors are an alternative option for applications requiring economy and reliability in a lighter-gauge commercial garage door.

Steel Sectional Doors

Description Model Number Steel Skin Steel Thickness Std. Max Width Std. Max Height R-Value*
2" Standard 525 25 Gauge .019" 20' 2" 16' 0"  
2" Heavy-Duty 524 24 Gauge .022" 24' 2" 20' 0"  
2" Premium 520 20 Gauge .034" 26' 2" 20' 0"  
             
*Calculated section R-value in accordance with DASMA TDS-163.

Polystyrene Insulated Steel Sectional Doors

Description Model Number Steel Skin Steel Thickness Std. Max Width Std. Max Height R-Value*
2" Standard 525S 25 Gauge .019" 20' 2" 16' 0" 6.6
2" Heavy-Duty 524S 24 Gauge .022" 24' 2" 20' 0" 6.6
2" Premium 520S 20 Gauge .034" 26' 2" 20' 0" 6.6
             
*Calculated section R-value in accordance with DASMA TDS-163.