AIS - Aggressive Industrial Structures, Inc. Material Handling & Warehouse Solutions
1-800-498-3646

GSA Federal Supply Schedule GS-07F-5515P
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Rolling Ladders

Series 1000
Series 1500

Series 1200
Series 1700
Series 6500

Call for Quote: 1-800-498-3646

1000 Series - The Flagship
Rigid, one piece, all-welded, steel mobile platform ladders are designed to meet or exceed OSHA standards. Safety is foremost with easy climbing angles, sturdy handrails, and large steps and platforms of slip-resistant expanded metal. Caster assemblies are designed to secure the ladder to the floor when in use, and to permit easy rolling from job to job.
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All Series 1000 ladders meet or exceed OSHA 1910.29 and ANSI
A14.7 standards with a 350 lb. load rating. Cal-OSHA models also
available.
 

Cotterman Series 1000 is our flagship product line. The value added features of this product make it our best seller.
Shipped set-up from one of our three locations reduces freight costs and damage. Plus, when it arrives it goes directly in to use. The climbing angle is 59 degrees. The ladder is powder coated with 90+ gloss powder. Pick your color from our 11 stock choices.
The steps are 7" deep, with the top step being your choice of 10, 20, or 30". Tread selections are
expanded metal mesh for medium duty industrial and commercial environments,
Grip Strut for heavy industrial, and solid steel with rubber matting for office environments.
The
load rating is 350lbs.
One through four step ladders have spring loaded casters that retract whenever weight is applied, immobilizing the ladder. Five step and up have our
Safelock system.
This series covers
one to eleven steps. Deep platform 10 and 11 step ladders are not offered in this series, due to size restrictions in shipping.

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1500 Series -
Our Most Versatile Ladder

Shipped knocked down in major welded subassemblies to save freight. Cotterman's exclusive knocked down design, incorporating diagonal braces together with heavy-duty hardware, gives an unusually rigid structure that is easily assembled.
 

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Series 1500 ladders comply with OSHA 1910.29 and ANSI A14.7
standards with a 350 lb. load rating. Cal-OSHA models also available.

 

The 1500 Series Cotterman Ladder is the assembly required version of our 1000 series. Packaged for shipping at a lower freight class (150) the ladders require approx. 15 – 30 minutes to assemble, depending on size. 
This series has the most selection of all of our products, ranging from
three to nineteen steps. Ladders with 10" deep top steps ship enclosed in shrink wrap, up to 12 steps. Thirteen step and up; plus 10, 11, and 12 step with deep platforms, are shipped in our specially designed 2 X 4 crates.
The ladder is
powder coated with 90+ gloss powder. Pick your color from our 11 stock choices.
The steps are 7" deep, with the top step being your choice of 10, 20, or 30" Tread selections are
expanded metal mesh for medium duty industrial and commercial environments, Grip Strut for heavy industrial, and solid steel with rubber matting for office environments.
The load rating is 350lbs.
One through four step ladders have spring loaded casters that retract whenever weight is applied, immobilizing the ladder.  Five step and up have our
Safelock system.
 

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Series 1200 -
decend facing forward
 
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Series 1200 ladders comply with OSHA 1910.29 and ANSI A14.7
standards with a 350 lb. load rating. Cal-OSHA models also available.

 

 

The series 1200, our Easy50 line, allows the user to descend the ladder facing forward due to the 50 degree climbing angle. Ships setup to eight steps. The ladder is powder coated with 90+ gloss powder. Pick your color from our 11 stock choices.
The steps are 7" deep with standard 12" deep top step or optional 24" deep top step.
Tread selections are expanded metal mesh for medium duty industrial and commercial environments, Grip Strut for heavy industrial, and solid steel with rubber matting for office
environments.
The load rating is 350lbs.
One through four step ladders have spring loaded casters that retract whenever weight is applied, immobilizing the ladder. Five step and up have our Safelock system.

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Series 1700 -
decend facing forward... higher

 
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Series 1700 ladders comply with OSHA 1910.29 and ANSI A14.7
standards with a 350 lb. load rating. Cal-OSHA models also available.
 

The Series 1700 has the same features and climbing angle as the Series 1200, but ships disassembled at a lower freight class.
The series covers nine through 15 steps. Nine step ladders through twelve are packaged in shrinkwrap. The larger ladders are crated, along with ten, eleven, and twelve step ladders with 24" deep top steps.
The ladder is powder coated with 90+ gloss powder. Pick your color from our 11 stock choices.
The steps are 7" deep with standard 12" deep top step or optional 24" deep top step.
Tread selections are expanded metal mesh for medium duty industrial and commercial environments or Grip Strut for heavy industrial environments. 
The load rating is 350lbs.
One through four step ladders have spring loaded casters that retract whenever weight is applied, immobilizing the ladder. Five step and up have our Safelock system.

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Series 6500 -

Roll and Fold Ladder
 

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Series 6500 ladders comply with OSHA 1910.29 and ANSI A14.7
standards with a 350 lb. load rating. Cal-OSHA models also available.
The Cotterman Series 6500 disassembles easily and folds into itself for easy transportation or storage. The rear casters are 10" diameter semi-pneumatic wheels. The front end rests on legs with rubber pads.
Cotterman Safelock caster system is available on all models for an additional charge. Climbing angle is 59 degrees. The ladder is powder coated with 90+ gloss powder. Pick your color from our 11 stock choices.
The steps are 7" deep, with the top step being your choice of 10" or 20". Tread selections are expanded metal mesh for medium duty industrial and commercial environments, Grip Strut for heavy industrial environments.
The load rating is 350lbs.

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Aggressive Industrial Structures   |   6681 Hyde Avenue South   |   Cottage Grove, MN 55016   |   1-800-498-3646