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Products > Climbing-Equipment > Extension Ladders > D1200-2 Series > D1220-2 20 ft Type II Aluminum D-Rung Extension Ladder > D1220-2

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D1220-2 20 ft Type II Aluminum D-Rung Extension Ladder

Performance Overview

SizeStyleApprox. Closed LengthReach HeightLoad CapacityPerformance Rating
20 ftMulti Section10 ft19 ft225 lbs

The D1220-2 Aluminum 20 ft Extension Ladder has a duty rating of 225 pounds and interlocking side rails. The TRACTION-TRED® D rungs are slip resistant. Spring-loaded locks operate smoothly for easy operation. Shoes rest flat or are held in spur position with SHU-LOK® feature. Mar-resistant end caps help protect the surface ladder is leaning against. Exclusive ALFLO® rung joint means TWIST-PROOF® performance every time.


  • Exclusive ALFLO® rung joint means TWIST-PROOF® performance
  • 1-3/4 in slip-resistant TRACTION-TRED® D-rungs
  • Durable extruded rung locks are spring loaded to operate smoothly
  • Mar-resistant end caps
  • Smooth operating pulley with polypropylene rope
  • Heavy Duty modified I-beam side rails
  • Durable shoe rests flat on slip resistent pad or is held in spur position with SHU-LOK® feature


FeatureSize / Details
Size20 ft
Max. Safe Working Height17 ft
Max. Open Extended Length17 ft
StyleMulti Section
Load Capacity225 lbs
Rung TypeD-Rung
Foot MaterialSlip-resistant pad
Number of Sections2
Base Width17-3/8 in outside rails
CertificationsANSI A14.2 (2007); OSHA
Approx. Closed Length10 ft
Reach Height19 ft
Approx. Shipping Weight Lbs.27
Approx. Cu. Ft. Per Unit7.2
Performance Rating

Package Contents

Part NumberQtyDescription


Rails Dimension3 in
Flange Dimension1 in
Rung Dimension1-3/4 in
Fly Width15-1/4 in

Additional D1200-2 Series Models

Model No.SizeMax. Safe Working HeightMax. Open Extended LengthApprox. Closed LengthReach HeightApprox. Shipping Weight Lbs.Buy Online
Not equipped with rope and pulley
16 ft13 ft13 ft8 ft15 ft22
D1220-220 ft17 ft17 ft10 ft19 ft27
D1224-224 ft21 ft21 ft12 ft23 ft33.5
D1228-228 ft25 ft25 ft14 ft27 ft43
D1232-232 ft29 ft29 ft16 ft31 ft54
D1236-236 ft32 ft32 ft18 ft34 ft62.5
D1240-240 ft35 ft35 ft20 ft37 ft73.5

D1220-2 20 ft Type II Aluminum D-Rung Extension Ladder is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Good, Light Ladder I needed an all purpose ladder for working around a two story home. As I'm getting older, I also needed it to be light. I'm 170 lbs, so I had good weight range for this ladder. The spring-loaded locks don't work smoothly, so keep an eye on those.
Date published: 2015-11-06
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Are there additional extension sections available for this ladder?

Asked by: Sharon
Additional ladder sections are not available to make an extension ladder longer. The ladder is designed and manufactured to meet the specifications of the stated ladder size on the product ID label.
Answered by: Werner Customer Care
Date published: 2015-03-21

What is the difference between Max Working Length and Reach Height

Asked by: Anonymous
Maximum working length is the length of the extension ladder fully extended. The maximum reach is the highest point a person can reach standing on the fourth rung down with the ladder fully extended to the maximum working length. thank you for your inquiry.
Answered by: Werner Customer Care
Date published: 2015-03-21

What is the model number of the ladder jacks for this model?

Asked by: Suzanne
We cannot recommend using ladder jacks on the D1200-2 series of ladder. OSHA allows the ladder jacks to be used on 375lb, 300lb, and 250lb extension ladders. The D1220-2 is only rated at 225lbs.
Answered by: Werner Customer Care
Date published: 2015-03-09

ladder won't extend or retract

My ladder won't extend or retract. On of the black pieces seems to be locked into the wrong position. How do I fix it?
Asked by: Larry
Please contact our Customer Care Department when convenient at 888-523-3370 Monday through Friday 8 AM till 5 PM EST for further details on your issue and/or question.
Answered by: Werner Customer Care
Date published: 2015-03-21

Do you tie the free end of the rope to a rung?

Asked by: Doug
When not in use, the free end of the rope should be left hanging below the ladder out of the way to prevent a trip hazard.
Answered by: Werner Customer Care
Date published: 2013-10-22

How much does the ladder itself weigh? (not shipping wt)

Asked by: mugwump
The D1220-2 aluminum extension ladder weighs 27 pounds.
Answered by: Werner Customer Care
Date published: 2013-11-22


Asked by: BILL
Please see the rope kit 30-1 and pulley kit 31-12 which fit this model of ladder. You can purchase these parts through any of our distributors. To view distributors in your area please visit www.wernerco.com and go under "where to buy".
Answered by: Werner Customer Care
Date published: 2014-11-18

where is the ladder made?

Asked by: dave
The D1200-2 aluminum extension ladders are manufactured in Mexico. In recent years Werner Co. has expanded globally to become the world leader in the manufacturing and distribution of ladders, climbing equipment and ladder accessories. Werner is now available in new markets and product categories and has added manufacturing and distribution facilities in the U.S. and around the world to satisfy global demand.
Answered by: Werner Customer Care
Date published: 2016-04-15

Extending my ladder

My new Werner 24' ladder is locked together in equal sections and I can not extend it.
Asked by: Mike
Please contact our customer care department at 888-523-3370 Monday through Friday 8 AM till 5 PM EST to inquire about the assistance you are seeking. Please have your complete model number and MK/MARK number off of your model number label at the time of your call.
Answered by: Werner Customer Care
Date published: 2016-04-22

Can I use ladder jack AC10-14-02S with D1220-2 extension ladder?

If not, what is the model number of the jacks I can use?
Asked by: Suz
Unfortunately you cannot use ladder jacks on a D1220-2 extension ladder due to the duty rating of the ladder.
Answered by: Werner Customer Care
Date published: 2015-03-05
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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.