Aluminum Roller Shutter (Roll Up Door) Roller Door for Fire Fighting Truck, Rolling Shutter, Rolling Door, Fire Truck, Fire Metal Door
Roll Up Doors for fire trucks Design Highlights and Specifications
The charts below give approximate dimensions for roll up door diameters, compartment depths required, and maximum internal heights allowed for given door widths.

Recommended Header Height (inches) 2.5" is minimum required
Internal Height Minimum Depth Header Height Roll p Diameter
Up to 25 10.000 2.500 5.375
26 to 35 10.500 2.500 6.000
36 to 50 11.500 3.250 7.250
51 to 60 11.875 3.875 7.750
61 to 70 12.375 4.250 8.250
71 to 90 13.500 5.375 9.375
91 to 104 14.125 6.500 10.500

Roll Up Door Opening vs Maximum Internal Height (inches)
Door Opening Width Maximum Internal Height
18.000 30.000
19.000 40.000
20.000 56.000
21.000 60.000
22.000 to 27.000 90.000
28.000 to 32.000 100.000
33.000 to 78.000 110.000