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Products > Climbing-Equipment > Scaffolding > Scaffold Components > OR-ADU Series > OR-ADU Adjustable Knee-type Outrigger 1 ft to 5 ft 6 in Wide - Scaffold > OR-ADU

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OR-ADU Adjustable Knee-type Outrigger 1 ft to 5 ft 6 in Wide - Scaffold

Performance Overview

Table DescriptionTower StyleType of Component
Adjustable knee-type outrigger 1 ft to 5 ft 6 in wideBothOutrigger

OR-ADU is an adjustable 1 ft to 5 ft 6 in wide knee-type outrigger for narrow or wide span scaffolds.


  • Adjustable knee-type outrigger for narrow or wide span scaffolding
  • Adjustable from 1 ft to 5 ft 6 in wide to add stability and increase maximum tower height


FeatureSize / Details
Table DescriptionAdjustable knee-type outrigger 1 ft to 5 ft 6 in wide
Tower StyleBoth
Type of ComponentOutrigger
Approx. Shipping Weight Lbs.11
Approx. Cu. Ft. Per Unit0.73

Package Contents

Part NumberQtyDescription



Additional OR-ADU Series Models

Model No.Buy Online

does this fit 2.00" tubing scaffolds

Need to know if the clamps properly fit aluminum tubing that measures exactly 2 inches in diameter. Please email the engineering drawing if possible or have an engineer confirm the size.
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 technical assistance you are seeking.
Answered by: Werner Customer Care
Date published: 2017-07-28

How many for one scaffold?

What qty do I need to purchase for use on one scaffold
Asked by: James
You will need four of these for one scaffold.
Answered by: Werner Customer Care
Date published: 2016-10-11
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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.