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BioSafe Cleanroom Folding Ladders
4-ft, 6-ft, 8-ft and 10-ft heights

Ideal for monitoring and maintenance work inside ISO 4-8 cleanrooms
Ladder step detail
OSHA-compliance labeling etched in cleanroom-compatible stainless steel.
  • Cleanroom-compatible construction: 304 stainless steel frame and steps are easy to wipe down and won’t shed contaminants
  • Meets OSHA safety standards
  • Unique polyurethane non-slip leveling glides enhance safety
  • Non-marring wheels simplify transport of ladders; fold, tilt and wheel like a suitcase!
  • Tapered frame design optimizes stability
  • Select among three standard sizes—or specify custom requirements!

These folding ladders are compliant with OSHA's Part 1926-1053 safety requirements for Type II ladders (225 lb. duty rating). They provide access to cleanroom ceiling FFUs and lights for routine airflow measurements or maintenance operations.

The surfaces are ultra-smooth and wipe-down without snagging nonwoven wipers or generating particulate contamination. Leveling glides are encapsulated in non-particulating, non-outgassing polyurethane.

Ladder step detail

Ordering Information

Cleanroom Folding Ladders
(max load: 225 lbs)
Height Cat. # Price
10 ft (9 steps) 2805-49 $ 5,567
8 ft (7 steps) 2805-48-316 $ 4,867
6 ft (5 steps) 2805-47 $ 3,065
4 ft (3 steps) 2805-64 $ 2,557
Shown with transport wheels removed. See chart below for dimensions.
Ladder Dimensions (inches); refer to photo above
A 120 96 72 48
B 76.598 63.408 50.218 37.028
C 35.273 30.984 26.807 22.652
D 74° 74° 74° 74°
E 14.502 14.502 14.502 14.502
F 12.423 12.423 12.423 12.423
G 113.556 90.525 67.457 44.525
  Step height from floor
H 13.567 13.422 13.284 13.147
I 24.99 24.853 24.716 24.578
J 36.422 36.284 36.147 36.003
K 47.853 47.716 47.578  
L 59.284 59.147 59.003  
M 70.716 70.578    
N 82.147 82.003    
O 93.578      
P 105.003      

  FEATURES & BENEFITS | Cleanroom Folding Ladder

Service Extension Shelf
Shelf extension provides service tray for parts  and tools, folds for convenient  storage.
Non-slip Leveling  Glides Available
Unique polyurethane non-slip glides enhance safety as well as assists in maintaining cleanliness by being a non-contaminating acid resistant foot.
Grounding Chain
Prevents build-ups of surface static charges that can discharge on sensitive materials.

BioSafe®: Terra's Ultimate Cleanliness Rating
Terra's BioSafe products meet design and material standards that go far beyond conventional cleanroom requirements.

Developed specifically for aseptic requirements in bio-pharmaceutical cleanrooms, these items incorporate a range of features that minimize particle generation and accumulation and inhibit microbial growth. Learn more . . .
Why is Electropolishing Critical?
Removes iron and other surface impurities that cause corrosion
Draws chromium and nickel to form a hard, protective finish
Removes irregularities (pits and burs) for an ultra-smooth surface that's easy to clean
More on Terra's electropolishing procedures...

Service Shelf Extension for BioSafe Folding Ladders

3-step folding ladder No. 2805-64

This 304 stainless steel unit attaches to the top of any Terra BioSafe Folding Ladder above to provide a convenient service shelf positioned 18" above the ladder platform. Its BioSafe® construction minimizes cracks or seams where particles, including germs, can collect, making it easy to clean and sterilize. The notched lip lets you hang the folded ladder on a wall when not in us.

Ideal for holding tools and small parts while servicing cleanroom equipment, including ceiling lights or fan/filter modules!

Ladder extension is not designed to support the weight of a person; be safe and do not lean or step on the platform.

Dimensions (closed):
12"W x 4.75"D x 24.75"L
Shelf: 11.5"W x 15"D with spill lip,
positioned 18" above top of ladder

Description Cat. # Price
Ladder Shelf Extension 2806-99 $ 705

non-skid leveling foot Non-Skid Polyurethane Leveling Foot
  • Increases safety on slick surfaces
  • 2.5" diameter x 1"H (polyurethane disk)/ 3.25"H (including stainless steel threaded stem)
  • Noncontaminating, acid-resistant foot
Cat. # Price
2805-99 $ 24

grounding chain Grounding Chain
Bracket allow easy installation on Terra step stools and ladders to provide a ground connection when used on conductive flooring.

Cat. # Price
2805-61 $ 109
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