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Products > Climbing-Equipment > Scaffolding > Scaffold Towers > 4100-18 Series > 4103-18 Narrow Span 17 ft 6 in H x 10 ft L Platform Scaffold Tower > 4103-18

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4103-18 Narrow Span 17 ft 6 in H x 10 ft L Platform Scaffold Tower

Performance Overview

Tower StyleLoad Capacity/sq. ft.Platform HeightPlatform WidthPlatform Length
Narrow Span25 lbs17 ft 6 in2 ft 5 in10 ft

The 4100-18 series aluminum scaffold towers offer 6 ft, 8 ft, or 10 ft length platforms that are 29 in wide, and 17 ft 6 in maximum platform height. Load capacity is 25 lbs per square foot or 500 lbs maximum per deck and scaffold. Additional Werner scaffold sections and components can be added to the tower for maximum flexibility.


  • Simplified ordering--order one model number and receive everything needed to build a complete tower
  • Takes the guesswork out of what is required to meet code
  • Ideal for schools, hospitals and building maintenance
  • Includes guard rails, toeboards, and planks with access door that allows end users to climb from inside.
  • Outriggers included


FeatureSize / Details
Tower StyleNarrow Span
Platform Height17 ft 6 in
Platform Width2 ft 5 in
Platform Length10 ft
Load Capacity/sq. ft.25 lbs
Load Capacity/Deck500 lbs
Load Capacity/Scaffold500 lbs
CertificationsANSI A10.8 (2001)
Total Tower Height20 ft 11 in
Approx. Cu. Ft. Per Unit233.12
Approx. Shipping Weight Lbs.462.5

Package Contents

Part NumberQtyDescription
BD-107BD-10 10 ft Diagonal Brace - Scaffold
BH-1010BH-10 10 ft Horizontal Brace - Scaffold
BN-102BN-10 10 ft Narrow Span Horizontal-Diagonal Brace - Scaffold
BOR-N4BOR-N Narrow Span Outrigger Brace - Scaffold
FNB-802FNB-80 Narrow Span Base End Frame - Scaffold
FNU-654FNU-65 5-1/2 ft H Narrow Span Upper End Frame - Scaffold
FRO4FRO Rolling Outrigger Frame - Scaffold
PD22W-101PD22W-10 22 in Wood Scaffold Deck with Access Door - 10 ft Board
TN4A-10U1TN4A-10U Narrow Span Scaffold Toe Board Assembly, 10 ft


Platform Height17 ft 6 in
Total Tower Height20 ft 11 in
Platform Width2 ft 5 in
Platform Length10 ft
Total Length13 ft 6 in

Additional 4100-18 Series Models

Model No.Platform LengthApprox. Cu. Ft. Per UnitApprox. Shipping Weight Lbs.Buy Online
4101-186 ft131.54405
4102-188 ft177.77439
4103-1810 ft233.12462.5

Load Capacity per Tower

Your description states the load capacity per deck is 500lbs. Can another deck be added to this tower to increase its load capacity to 1000lbs? I.E. having the top deck, and then a deck in the middle rungs, for a higher load capacity
Asked by: JC8888
No, another deck cannot be attached to add additional load capacity. The maximum load for any narrow span scaffold is maximum 500 lbs. per scaffold.
Answered by: Werner Customer Care
Date published: 2016-09-19

Maximum working height without outriggers

What is the maximum height before outriggers are needed?
Asked by: johnny
The maximum scaffold platform height is equal to 4x the smaller base section dimension of the lscaffold or installed outrigger in most states except California which requires 3x. In a state other than California, at smaller dimension of 29 inches wide, the 4x's maximum height would be 9 feet 8 inches. Local and state codes may also vary.
Answered by: Werner Customer Care
Date published: 2013-10-22

can i get assembly instruction for this scaffold.for height about 9ft without outrigger?

Asked by: rahman
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.
Answered by: Werner Customer Care
Date published: 2016-10-11

Accessing work platform

What is your recommendation for access and egress? is there a ladder system
Asked by: Anonymous
Please contact Customer Care at 888-523-3370 Monday through Friday from 8:00 AM to 5:00 PM EST.
Answered by: Werner Customer Care
Date published: 2017-03-07
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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.