| The 591 Series is the best-selling door in the Thermacore line, and offers superior thermal efficiency to fit a broad range of applications.  The 591 Series exterior skin is constructed of galvanized steel with a ribbed, textured finish.  It is available with a white interior finish and either a white or Industrial Brown exterior.Options 
                    Thermal glazing Four-section pass door High-usage components* Electric operator Chain hoist Posi-Tension drums Safety bottom fixture Bottom-sensing edge EPDM rubber header seal Aluminum sash section available to 22'2" (6,756 mm) wide Exhaust ports 
                    
                      | Standard Features At   a Glance |  
                      | Panel thickness | 1 5/8" (41 mm) |  
                      | R-value | 14.86 (2.63 W/Msq) |  
                      | U-value | .067 (.380 Msq/W) |  
                      | Air infiltration | at 15 mph (24 kmph).08 cfm (2.26   Lpm) at 25 mph (40 kmph).08 cfm (2.26 Lpm)
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                      | Thermal break | PVC |  
                      | Windload | Meets ANSI/DASMA   102-1996 |  
                      | Exterior steel | .016" (.41 mm) galv. |  
                      | Exterior surface | Ribbed, textured |  
                      | Standard springs | 10,000 cycle |  
                      | Std. max. width | 35'2" (10,719 mm) |  
                      | Std. max. height | 24'1" (7,341 mm) |  
                      | Exterior color | White |  
                      | Interior color | White |  
                      | Limited warranty | 10-year delamination |  
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                      |  | For more details on Steel Sectional doors  call today
                        1-630-350-7667 or fill out our contact form. |  |