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D1200-2 Series Aluminum Multi Section Extension Ladders

Series Callout
The D1200-2 series aluminum extension ladders have a duty rating of 225 lbs 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.


  • Alflo rung joint for Twist-Proof performance
  • Interlocking side rails
  • Mar-resistant molded end caps
  • Modified I-beam rails
  • Rope and pulley system
  • Rope clamp ties rope to rung
  • Slip-resistant shoe with Shu-lok feature and spur plate
  • Slip-resistant Traction-Tred D-rungs
  • Spring loaded locks

Performance Overview

SizeStyleApprox. Closed LengthReach HeightLoad CapacityPerformance Rating
16 ft -- 40 ft Multi Section 8 ft -- 20 ft 15 ft -- 37 ft 225 lbs


Rails DimensionFlange DimensionRung DimensionFly Width
3 in1 in1-3/4 in15-1/4 in


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

D1216-2 is not equipped with rope and pulley


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.