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Products > Climbing-Equipment > Stepladders > FS100 Series > FS104 4 ft Type I Fiberglass Single Sided Step Ladder > FS104

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FS104 4 ft Type I Fiberglass Single Sided Step Ladder

Performance Overview

StyleSizeReach HeightLoad Capacity
Single-Sided4 ft8 ft250 lbs

The FS104 single sided Fiberglass 4 ft Step Ladder has a duty rating of 250 pounds and a multi-functional HolsterTop to keep tools organized and safe on the ladder. Slip-resistant steps for comfortable standing. The EDGE® bracing helps prevent rail damage. With an 8 ft reach, this ladder works indoors and outdoors. For the jobsite or home applications.


  • HolsterTop with Lock-In System secures tools to increase productivity
  • Sturdy paint can hanger on back side of top
  • Braces on top step, second step and top horizontal
  • External PINCH-PROOF™ spreaders
  • Slip-resistant TRACTION-TRED® steps
  • *Energy Diffusing Geometry
  • Slip-resistant foot pads attached to the EDGE® structure
  • The Lock-In System lets you customize your ladder top and safely secure your tools
  • EDGE® bracing provides enhanced strength and increased protection against damage


FeatureSize / Details
Size4 ft
Reach Height8 ft
Max. Standing Height1 ft 11 in
Load Capacity250 lbs
Approx. Product Width19 in
CertificationsANSI A14.5 (2007); OSHA
Approx. Spread28-7/8 in
Edge BracingMedium
Spreader MaterialSteel
Approx. Shipping Weight Lbs.13
Approx. Cu. Ft. Per Unit2.6
Description of Top FeaturesPaint tray slot, can hook, Lock in accessory sockets, 4 tool holes, drill hole, pint, quart & gallon paint can, parts tray
Performance Rating

Package Contents

Part NumberQtyDescription


Top Dimension5-3/4 in x 13 in
Front Rails Dimension3-1/8 in
Front Flange Dimension1-1/8 in
Rear Rails Dimension1-3/4 in
Rear Flange Dimension1-3/16 in Back, 5/8 in Front
Steps Dimension3 in

Additional FS100 Series Models

Model No.SizeReach HeightMax. Standing HeightApprox. Product WidthApprox. SpreadApprox. Shipping Weight Lbs.Buy Online
FS1044 ft8 ft1 ft 11 in19 in28-7/8 in13
FS1066 ft10 ft3 ft 10 in22 in41-1/8 in18
FS1088 ft12 ft5 ft 9 in25 in53-1/2 in25.5

FS104 4 ft Type I Fiberglass Single Sided Step Ladder is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Light and sturdy Very easy to carry, sets up easy, nice nonslip feet.
Date published: 2016-05-27
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What is the safety factor rating of your ladders e.g 300 lbs but the actual rating factor is a safe rating but the actual rating is 1.5 times

the label rating in other word the ladder tested a rating of 450 lbs.
Asked by: Ken
The FS104 fiberglass step ladder is manufactured to OSHA and ANSI standards for portable ladders. Each individual standard states that the ladder must be tested to different multipliers of the stated duty rating. While the ladders are tested to meet these standards, the capacity on the ladder should never exceed the duty rating.
Answered by: Werner Customer Care
Date published: 2016-11-25

Is there a ladder leveler compatible with the FS104?

If an option exists, where can I get one?
Asked by: Edward
The ladder levelers are only available for specific models of extension ladders and straight ladders. We do not manufacture any levelers for stepladders.
Answered by: Werner Customer Care
Date published: 2015-01-21

Is there any difference in weather resistance between the FS106 & the 6006 series ladders

If so, please specify sunlight and/or extreme cold rating as this ladder sits on a truck outdoors. Thanks
Asked by: Bigspark
These 2 ladders are made with the same materials so there would be no difference.
Answered by: Werner Customer Care
Date published: 2014-10-22

Are these safety approved for commercial?

Asked by: marsha
Our ladders are for residential use.
Answered by: Werner Customer Care
Date published: 2017-03-13

Will the ladder hold a roller tray

Asked by: Steve7
Yes this model will hold a pail shelf. Please see models PK76-3, and the PK76-9.
Answered by: Werner Customer Care
Date published: 2014-10-07

is there a 1800-2eq thats fits my FS106 ?

Asked by: JP
The D1800-2EQ is an extension ladder. The equalizer on that ladder is not available as an accessory and can only be purchased factory installed on specific extension ladders.
Answered by: Werner Customer Care
Date published: 2014-09-25

Hooks on bottom rear leg brace?

I noticed there are small hooks on the back legs, on the bottom plastic cross-braces, protruding down at a 45 degree angle. What is the purpose of these hooks? Great ladder, by the way! Thanks.
Asked by: Bob
These have nothing to do with the function of the ladder. They are there for shipping purposes when we stack the ladders on top one another to make a bundle.
Answered by: Werner Customer Care
Date published: 2016-06-01

Is there an accesspory available for the bottom of the ladder feet (such as a padded cover) to allow use on a hardwood floor to prevent scratching?

Asked by: Horned Frog
Unfortunately we do not manufacture a product like you described. We apologize for the inconvenience.
Answered by: Werner Customer Care
Date published: 2015-03-09

My fiberglass ladder has been baking inthe Arizona sun and the fiberglass fibers have come loose and causing sever itching problems--What can I treat

the fiberglass with to stop the shedding of fibers?
Asked by: jim
Please visit our literature section at www.wernerco.com and see our fiberglass technical manual for tips in protecting the fiberglass, and recoating the ladder.
Answered by: Werner Customer Care
Date published: 2016-04-22

What is the warranty on this ladder?

Asked by: Mike
We do not have a written warranty, but we stand behind the quality of our products if there were to be any defects.
Answered by: Werner Customer Care
Date published: 2017-04-17
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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.