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Products > Climbing-Equipment > Extension Ladders > 7100-1CA Series > 7120-1CA 20 ft Type IAA Fiberglass Round Rung Straight Ladder




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7120-1CA 20 ft Type IAA Fiberglass Round Rung Straight Ladder

Performance Overview

SizeStyleReach HeightLoad CapacityTypePerformance Rating
20 ftSingle Section23 ft375 lbs/170 kgGrade 1 / Type IAA Construction and Industrial - Heavy Duty

The 7120-1CA one-section round rung 20 ft Straight Ladder is made with non-conductive fiberglass rails. Easy to transport and maneuver, these ladders bear a duty rating of 375 pounds making them durable and long lasting. The slip-resistant, TRACTION-TRED rungs are round, and the durable rail shields and shoe brackets help to protect the rails from damage. The plate and rung assemblies are riveted at four points to the side rails.


  • Exclusive ALFLO® rung joint means TWIST-PROOF performance
  • 1-1/4 in slip-resistant TRACTION-TRED round D-rungs
  • Plate and rung assembly are riveted at four points to each side rail to allow for rung replacement
  • Plate and rung assembly are riveted at four points to each side rail to allow for rung replacement
  • Rugged, heavy duty extruded rung locks are spring loaded to operate smoothly
  • Pre-pierced holes for easy field installation of accessories
  • Durable rail shield and shoe bracket protects rail from damage
  • Dual action feet with slip-resistant pad and spur plate for use on hard or penetrable surfaces
  • Mar-resistant molded end caps
  • Ideal for utility and telecommunication industries
  • Shoe with slip-resistant pad and spur plate


FeatureSize / Details
Size20 ft
Reach Height23 ft
Max Working Length20 ft
Extended Length20 ft
StyleSingle Section
Load Capacity375 lbs/170 kg
TypeGrade 1 / Type IAA Construction and Industrial - Heavy Duty
Performance Rating
Rung TypeRound
Foot MaterialSlip-resistant pad
Number of Sections1
Base Width18-1/16 in outside shoes
CertificationsANSI A14.5 (2007); CSA; OSHA
Approx. Cu. Ft. Per Unit13.9
Approx. Shipping Wt. Lbs. (kg)58.0 (26.3)

Kit Contents

Part Number!ModelDetail/KitHeaders/QuantityDescription


Rails Dimension4 in
Flange Dimension1-3/4 in
Rung Dimension1-1/4 in

Additional 7100-1CA Series Models

Model No.SizeReach HeightMax Working LengthExtended LengthApprox. Cu. Ft. Per UnitApprox. Shipping Wt. Lbs. (kg)
7108-1CA8 ft11 ft8 ft8 ft4.520.0 (9.1)
7110-1CA10 ft13 ft10 ft10 ft5.524.0 (10.9)
7112-1CA12 ft15 ft12 ft12 ft6.528.0 (12.7)
7114-1CA14 ft17 ft14 ft14 ft7.632.0 (14.5)
7116-1CA16 ft18 ft16 ft16 ft8.640.0 (18.1)
7118-1CA18 ft21 ft18 ft18 ft12.552.0 (23.6)
7120-1CA20 ft23 ft20 ft20 ft13.958.0 (26.3)

Different types of ladders are designed to keep you safe and productive when climbing or standing. Using the wrong style of ladder or simply ignoring the limitations of climbing equipment can result in a fall or serious injury.
Height is referring to the actual ladder height. Extension ladders should be 7 to 10 feet longer than the highest support or contact point, which may be the wall or roof line. The highest standing level is four rungs down from the top. The highest permitted standing level on a stepladder is two steps down from the top.

Reach height is the maximum reach assuming a 5’6” person with a vertical 12” reach.
Ladders are designed to safely hold up to a specific amount of weight. The Werner Performance System defines five different capacities using a color and star rating system. The Duty Rating is defined as the maximum safe load capacity of the ladder. A person’s fully clothed weight plus the weight of any tools and materials that are carried onto the ladder must be less than the load capacity.

Werner offers ladder made from fiberglass and aluminum. Each material has characteristics which make it best for certain applications, or one material may simply fit the personal preferences of the user. For example, if working around electricity users should select fiberglass products due to their non-conductive side rails.