Duo-Safety 550-C Series Aluminum Truss Style Wall Ladders (10' thru 30')

Duo-Safety 550-C Series Aluminum Truss Style Wall  Ladders (10' thru 30')

Duo-Safety 550-C Series Aluminum Truss Style Wall Ladders (10' thru 30')

Regular price $391.95
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Designed for replacing wood truss ladders on service trucks.

The tubular construction of Duo-Safety's 500-C Series incorporates the inherent strength of a rectangle, a channel, and an "I" beam combined to provide the ultimate in strength and safety. Construction features include double parallel fins; a double set of truss plates; ribbed, extruded rungs, electrically welded to the outside of truss plates; and aluminum rivets.

  • 750 lb Duty Rated
  • Prong Feet as Standard
  • Rubber Safety Shoes Optional for Hard Surface Use


Size Closed Length Width Rail Size Weight
10' 10' .5" 22.5" 4.5" 31 lbs
12' 12' .5" 22.5" 4.5" 37 lbs
14' 14' .5" 22.5" 4.5" 44 lbs
16' 16' .5" 22.5" 4.5" 48 lbs
18' 18' .5" 22.5" 4.5" 55 lbs
20' 20' .5" 22.5" 4.5" 59 lbs
22' 22' .5" 22.5" 4.5" 67 lbs
24' 24' .5" 22.5" 4.5" 74 lbs
25' 25' .5" 22.5" 4.5" 77 lbs
26' 26' .5" 22.5" 5.5" 81 lbs
28' 28' .5" 22.5" 5.5" 88 lbs
30' 30' .5" 22.5" 5.5" 96 lbs


Duo-Safety Series 550-CSpecifications

Duo-Safety Catalog



Due to the size of these ladders, they are susceptible to damage during transit.

Please be sure to inform anyone who may be accepting this shipment that they should carefully inspect the ladders for damage before accepting the shipment or signing the trucker's bill of lading.

  • Do not allow the trucker to deliver the shipment without first inspecting the ladders.
  • If you find any damage, you are instructed to note damages on the bill of lading and refuse the shipment.
  • If the trucker does not allow you reasonable time to inspect the ladders, you are instructed to refuse the delivery and note the reason on the bill of lading.
  • Unfortunately, we cannot be responsible for any hidden damages. Once you sign the bill of lading and accept the ladders the manufacturer nor we can file any damage claims.

The manufacturer will file all refused damage claims. Replacement of damaged ladders will be handled in the following manner.

  • Stock ladders- Replacement ladders will be shipped as soon as they are available.
  • Special and all non-standard ladders will be repaired and re-shipped as soon as possible.

Our contract with Alco-Lite only permits us to sell these ladders to fire departments. We cannot ship these ladders to industrial, commercial, or private accounts.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
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