LadderCageFactory-Direct Vertical Caged Ladder
Vertical Caged Ladder
Vertical cage ladders to any height; 337 lb rated, custom heights with volume discounts, DoC & coating report included.
Projects Delivered
Countries Exported
Quote Response
Max Single-Run Height
Any Height · 337 lb Rated · Volume Discounts
Vertical Cage Ladder – Any Height
Build the vertical caged ladder your site actually needs — custom heights, 300 lb load rating and volume pricing on bulk orders.
Any Height
Up to 25 m in a single run using bolted splices (one-piece max 14 m); multi-run systems with rest platforms beyond that. Height quoted with cage to spec.
337 lb Rated
1.5 kN (≈337 lb) per rung, Φ20 mm rungs at 280 mm spacing. Rated for workers plus tools and materials.
Volume Discounts
Tiered pricing on multi-ladder projects. Tell us your quantity — we'll quote the volume rate.
Specifications
337 lb Rated Vertical Ladders
Every vertical caged ladder is made-to-order with the engineered parameters below — 337 lb rated, any height to spec.
Get My Vertical Ladder Quote| Specification | Value |
|---|---|
| Rung Diameter | Φ20 mm |
| Rung Spacing | 280 mm (≤300 mm) |
| Clear Width | 500 mm |
| Cage Diameter | Φ700 mm (hoops 40×5 @≤1500, straps 30×3) |
| Cage Start | 2.2 m above floor |
| Load Rating | 1.5 kN (≈337 lb) per rung |
| Entrance | Flared / flared splay entry |
| Standards | OSHA 1910.28 · EN ISO 14122-4 |
DoC & Coating Report With Every Order
Compliance Docs & Coating Report
Every vertical caged ladder ships with its full compliance file — no chasing paperwork after delivery.
- DoC — OSHA 1910.28 & EN ISO 14122-4
Declaration of Conformity to the relevant standard
- Coating Thickness Report
HDG 85–100 μm per ISO 1461, measured per part
- MTC 3.1 Material Certificate
EN 10204 3.1 for Q235B / SS304 / SS316
Bulk Orders & Delivery
Volume Discounts & Lead Time
Volume discounts on bulk vertical caged ladder orders, with production typically 15–25 working days.
Volume Discounts
Tiered pricing on bulk orders — quote line by line.
15–25 Days Lead Time
Production schedule confirmed at quote.
24h Itemized Quote
Free drawing review with every quote.
Get a Vertical Cage Ladder Quote
Get a Vertical Cage Ladder Quote
Free quote in 24 hours + free compliance kit with every order. Tell us your height and load — we handle the rest.
- 24h itemized quote
- Free drawing review
- DoC, coating report & MTC included
Planning the Footprint Before the Crane Arrives
A vertical caged ladder is a three-dimensional object, and the most common installation delay is not the welding — it is a cage that clashes with a pipe rack, canopy or neighboring duct that nobody measured. Start your layout from the climbing line. The ladder itself occupies a 500 mm clear width, but the safety cage sweeps a 700 mm diameter circle that begins 2.2 m above the base and runs the full protected height. Reserve that circle on plan, plus hand clearance on the climbing face and the standoff distance between stringers and the wall or tank shell shown on our approval drawings.
Three practical planning rules keep projects on schedule. First, treat every dimension as fixed geometry, not field-adjustable: our rungs sit at a 280 mm pitch, so top-access heights are solved by trimming the last bay in the shop, not on site. Second, remember the 14 m single-piece limit — taller routes are split into flights joined at platforms, which changes your anchor layout and should be decided during quoting, not after delivery. Third, plan the exit early: a plain top rung, a side step or a walk-through extension each demand different clear space above the cage.
Send the site sketch when you request the 24-hour quote — the same engineers who check compliance will confirm the footprint against these rules before anything is cut.
Field Story — Cement Plant Silo, North Africa
A 31 m Silo Climb That Runs Out of Excuses
A plant manager at a dry-process cement line describes the access that replaced rope-and-harness silo inspections. The build card is that climb, stage by stage.
Before — inspections nobody volunteered for
The raw-meal silo stood 31 m with a roped access point at the top and a culture of postponement below it. Level-radar checks, aviation-light servicing and the annual internal inspection all needed the top platform, and every visit meant a harness plan, two spotters, and a supervisor signing risk assessments at 7 a.m. Deferred inspections became deferred maintenance, and the radar kept drifting out of calibration between heroic climbs.
During — engineering the climb into stages
No single piece exceeds 14 m in HDG — the galvanizing tank sets that honest limit — so the climb was engineered as flanged vertical stages with rest platforms at 10 m, 20 m and the top deck at 31 m. Cage geometry restarts at 2.2 m above each platform; hoops Φ700 at 1500 mm centres; rungs Φ20 at 280 mm rated 1.5 kN. Stage weights were rigged with the plant's existing crane windows between 1.5 t bags. Every stage trial-assembled, HDG-dipped to ISO 1461 with coating report, and photographed before crating.
After — calibration on the calendar, not on courage
Radar checks now happen monthly because the climb, while long, is ordinary — rest decks turn a 31 m effort into three honest 10 m climbs. Aviation-light servicing dropped from a contractor line to a house job. The compliance folder (DoC, MTC 3.1, calcs, coating report) went to the insurer once, and the premium conversation changed. Deferred-maintenance backlog on the silo cleared within two quarters.
| Build Card — 31 m Silo Climb | As Built | Why It Was Specified |
|---|---|---|
| Staging | flanged stages, platforms at 10 / 20 / 31 m | 14 m single-piece HDG limit turned into a feature |
| Cage | Φ700 hoops @1500, restart 2.2 m per stage | containment never breaks across the climb |
| Rungs | Φ20 @280 mm, 1.5 kN each | climber plus tools well inside the rating |
| Finish | HDG 85–100 μm, ISO 1461 + report | dust and coastal salt both budgeted for |
| Rigging | stage weights matched plant crane windows | no crane hire — installs between production moves |
How Tall Is Your Climb, Really?
Single Tall Run vs Staged Multi-Run Vertical Caged Ladder
Past 14 m the question stops being whether we can build it and becomes how the climb should be broken. The silo chose staging — here is the full trade, in the order it pays back.
| Decision Factor | Single Tall Run (up to 14 m HDG) | Staged Multi-Run + Platforms |
|---|---|---|
| Height window | up to 14 m one piece; to 25 m with bolted splices | unlimited — stages stack as the structure allows |
| Climb physiology | one continuous effort — arms finish the climb | 10 m stages end standing on a deck |
| Freight | 14 m is a long load — wide permits in some markets | container-normal pieces, standard rates |
| Rigging | one heavy pick, needs real crane time | stage weights match plant crane windows |
| Work levels | top only | platforms land exactly where the work is |
| Damage economics | one incident can mean a full re-fab | one stage replaces, ladder survives |
| Standards posture | fine where platform rules are met by the structure | matches EN platform intervals and staged practice |
- Choose the single run for climbs under 14 m with one top destination and crane access already on site — fewest parts, fewest bolts, fastest install.
- Choose staged multi-run when the climb passes work levels, exceeds comfortable single efforts, or freight and crane logistics argue for small pieces.
- Watch the trigger heights — your standard's platform rules (EN intervals, OSHA staging practice) often make the decision before preference does.
Feature → Advantage → Your Outcome
What an Any-Height Vertical Caged Ladder Buys You
Five engineering lines that decided whether the silo climb became routine — translated for your project ledger.
| Feature | Advantage | Your Outcome |
|---|---|---|
| Flanged stages to any height | the 14 m HDG limit becomes modular | no climb on your site is too tall to make ordinary |
| Rest platforms at work levels | effort broken into recoverable stages | calibration happens monthly, not heroically |
| 1.5 kN rungs, Φ20 @280 | climber plus tools deep inside rating | no load argument, no weight limit sign at the base |
| HDG 85–100 μm with coating report | measured zinc, not promised zinc | cement dust and coastal salt budgeted in one line |
| Stage-sized rigging weights | installs in existing crane windows | no crane hire, no production shutdown day |