Industrial Grade Stepladders and Extension Ladders: Super Heavy Weight Capacity

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Aluminum and Fiberglass Stepladders Capacity 300 lbs & 500 lbs

  • Industrial Type IA,300 lb. duty rating.
  • Meets and/or exceeds OSHA and ANSI requirements as we interpret them.
  • Manufactured of marine grade aluminum alloy for maximum strength.
  • 4” deep slipresistant ribbed steps for a more comfortable work surface.
  • Large 1-1/2” wide aluminum angle feet with thick rubber tread.
  • All components are field repairable which increases ladder life cycle and reduces cost.


 industrial aluminum stepladders
300 lb. Capacity - 400 H Series   -  F900 Series  -  100H Series
500 lb. Capacity - 400H - HDC - F900H-HDC -100-HDC

 Industrial fiberglass Stepladders 
300 lb. - CapacityP400 H Series   -  PF900 Series  -  P100H Series
500 lb. Capacity - P400H-HDC - PF900H-HDC - P100H-HDC









Aluminum Single/Extension Ladders Capacity 300lbs. & 500lbs.

  • 1-1/4” OD slip-resistant serrated aluminum rungs.
  • Large aluminum swivel safety shoes with thick rubber treads may be used in either tread or spike down position for improved traction in many environments.
  • All Components are field repairable which increases ladder life cycle and reduces cost.


                    IND SERIES   500lb                                                                                                                 DLLH SERIES  300lb
 500lbs capacity ladder
The 500lbs duty rated
fiberglass and aluminum
IND series exceed all OSHA
requirements as we 
interpret them.   





The DLLH series is Type 1A,
300 lb. duty rates. Meets
and/or exceeds ANSI and
OSHA requirements as we 
interpret them.
 300 lbs capacity ladder