Duo-Safety Ladder Corporation

Series 500-C 2-Section Aluminum Tubular Rail Fire Ladders

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    *Online purchase not available, this item available for quote only.




The 500-C Series ladders represent great strength and extraordinary safety. All this is incorporated into the tubular rail construction of this ladder. Available in all standard sizes - see specifications below.

  • 750 lb Duty Rated
  • Prong Feet as Standard
  • Rubber Safety Shoes Optional for Hard Surface Use
SERIES 500-C 2-SECTION
Size Closed Length Width Width Over Poles Banking Thickness Weight*
14' 9' .75" 24" 7" 74 lbs
16' 10' .75" 24" 7" 75 lbs
18' 11' .75" 24" 7" 76 lbs
20' 12' .75" 24" 7" 78 lbs
24' 14' .625" 24" 7" 90 lbs
28' 16' .625" 24" 8" 112 lbs
30' 18' .75" 24" 8" 131 lbs
35' 20' 24" 8" 153 lbs
40' 23' .75" 24" 26" ** 8" 210 lbs
45' 26' .75" 24" 26" ** 9" 255 lbs
50' 28' .75" 24" 26" ** 9" 279 lbs
All dimensions listed are N.F.P.A. Design Verification Standards. Variations occur in each product of approximately +/- .125" due to the type of rivets, nuts, bolts etc. used. If you require precise dimensions, please call our office and request a copy of our current field dimension sheets.
* Weight listed is actual weight of product only. For shipping purposes, please call our office for packaged weight before obtaining freight estimates.
** Staypoles are optional on 40ft length. Weight without poles deduct approx. 35 lbs each. 

All Extension ladders 40ft and over are equipped with 1/2" manila rope as standard