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Products > Climbing-Equipment > Scaffolding > Scaffold Towers > 4100-12 Series > 4103-12 Narrow Span 12 ft H x 10 ft L Platform Scaffold Tower > 4103-12

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4103-12 Narrow Span 12 ft H x 10 ft L Platform Scaffold Tower

Performance Overview

Tower StyleLoad Capacity/sq. ft.Platform HeightPlatform WidthPlatform Length
Narrow Span25 lbs12 ft2 ft 5 in10 ft

The 4100-12 series aluminum scaffold towers offer 6 ft, 8 ft, or 10 ft length platforms that are 29 in wide, and 12 ft 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 Height12 ft
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 Height15 ft 5 in
Approx. Cu. Ft. Per Unit185.07
Approx. Shipping Weight Lbs.410.5

Package Contents

Part NumberQtyDescription
BD-105BD-10 10 ft Diagonal Brace - Scaffold
FNG-422FNG-42 Narrow Span Guard Rail End Frame - Scaffold
BH-108BH-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-652FNU-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 Height12 ft
Total Tower Height15 ft 5 in
Platform Width2 ft 5 in
Platform Length10 ft
Total Length13 ft 6 in

Additional 4100-12 Series Models

Model No.Platform LengthApprox. Cu. Ft. Per UnitApprox. Shipping Weight Lbs.Buy Online
4101-126 ft130.79359
4103-1210 ft185.07410.5

How high can I go

I want to know if I can add enough sections to reach 36 feet high?
Asked by: Chuck Spanyard
Yes, you can add additional sections to reach no more than 40' high maximum. Make sure that you use outriggers.
Answered by: Werner Customer Care
Date published: 2017-02-07

Are the guardrails extra cost?

I do not see the guardrails listed in the package contents. Are they a surprise extra-cost item?
Asked by: James
The package does include the guard rails, as stated under features. The guard rail part number FNG-42 isn't reflected under the package contents. I will update the website to reflect this information. http://www.wernerco.com/us/en/view/Products/Climbing%20Equipment/Scaffolding/Scaffold%20Towers/4100-12/4101-12
Answered by: Werner Customer Care
Date published: 2016-10-17

do u have a scaffold tower 12-16 ft with adjustable legs?

Asked by: Anonymous
The 4101-12 scaffold tower has a maximum platform height of 12 feet. When fully assembled, the tower has the guardrails that extend above the platform. The base section of the scaffolding tower has adjustable legs, with a screw and lock system to extend the leg up to 12 inches.
Answered by: Werner Customer Care
Date published: 2014-06-11
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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.