LadderCageFactory-Direct Galvanized Ladder With Cage
Galvanized Steel Ladder With Cage
Galvanized ladder with cage — hot-dip coated, corrosion resistant, bolt-on retrofit ready. OSHA and EN ISO 14122-4 compliant; HDG thickness report and mill certs included.
Years Manufacturing
Export Countries
Projects Delivered
Quote Response
Galvanized Steel Ladder With Cage — New Build or Retrofit
Galvanized Ladder With Cage - New Build or Retrofit
Galvanized Ladder With Cage - New Build
Complete galvanized ladder with cage, built to your height and drawing. One unit, welded and hot-dip coated together for maximum strength.
Bolt-On Cage Retrofit for Existing Ladders
Add a compliant cage to your existing galvanized ladder with a bolt-on retrofit kit. No welding on site — measure, mount and verify.
HDG Specifications & Corrosion Protection
HDG Specifications & Corrosion Protection
Galvanized ladders with cage are made-to-order with the engineered parameters below, then hot-dip galvanized to ISO 1461.
Get My Galvanized 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 per rung |
| Galvanizing | HDG 85–100 μm per ISO 1461 |
| Retrofit Mounting | Bolt-on cage kit, no site welding |
| Standards | OSHA 1910.28 · EN ISO 14122-4 · BS 4211 |
Compliance & Documentation
Galvanized Compliance & Documentation (OSHA / EN ISO 14122-4)
HDG thickness report and mill certs included with every galvanized ladder with cage — new build or retrofit.
- HDG Thickness Report
Zinc coating measured per ISO 1461 on your parts
- MTC 3.1 Material Certificate
EN 10204 3.1 for Q235B steel
- DoC — OSHA 1910.28 & EN ISO 14122-4
Declaration of Conformity for new build and retrofit
Factory-Direct Pricing
Factory-Direct Galvanized Cage Ladder Pricing
Free HDG report and drawing review with every order. Itemized galvanized pricing in 24 hours; production typically takes 15–25 working days.
Factory-Direct
No distributor markup. Quote direct from the production floor.
Free Drawing Review
Engineer checks your height and mounting before we cut steel.
15–25 Day Lead Time
HDG report, MTC and DoC ship with the order at no extra cost.
Get a Galvanized Ladder With Cage Quote
Get a Galvanized Steel Ladder With Cage Quote
New build or bolt-on retrofit — tell us the height, coating requirements and quantity. An engineer replies within 24 hours with HDG options and a quote.
- 24h galvanized quote
- Free drawing review
- HDG report, MTC & DoC included
Quality Gates
Five-Stage QC Behind Every Galvanized Ladder
A galvanized ladder with cage is only as good as the gates it passes through. Dengtai has run this route since 2004 from a 3000 m² plant in Shijiazhuang with 1500 t/year of output and exports to 50+ countries — and every stage below ends in a document or record you can hold.
| Stage | Gate | You Receive |
|---|---|---|
| 1 — Material | MTC 3.1 traceability | Mill certificate for the steel |
| 2 — Welding | ISO 5817 level C inspection | Weld acceptance record |
| 3 — Galvanizing | ISO 1461, 85–100 μm | Coating report on actual parts |
| 4 — Trial assembly | Full fit-up before packing | Fit-up confirmation |
| 5 — Photo record | Documented archive | Photos kept 10 years |
Whole-Life Thinking
What Each Metal Costs Over 25 Years — Not on Day One
The cheapest ladder on purchase day is rarely the cheapest ladder by mid-life. Run the same 25-year window over the four builds and the picture inverts depending on your air: inland, HDG at $95/m never gets challenged; coastal, the 2.5x stainless bill arrives once and then goes quiet while galvanized budgets a refurbishment around year 12. We would rather show you this table and sell less stainless than skip it and sell you the wrong ladder twice.
| 25-Year Window | HDG $95/m, 85–100 μm | SS304 at 1.8x | SS316 at 2.5x | Engineered FRP |
|---|---|---|---|---|
| Purchase day, per meter | the floor | +$0.8x over HDG | +$1.5x over HDG | project-priced, stated itemized |
| C2–C3 rural / urban air | zinc rated 20–35 years — untouched | money that never needed spending | money that never needed spending | premium without a chemical reason |
| C4 industrial air | 10–20 years; plan one inspection-led touch-up | justified where washdown also applies | justified if chlorides ride the mist | justified once acids lead |
| C5 coastal / brine air | 8–15 years — a second ladder or a refurb inside the window | risky tea-staining territory | one purchase, quiet for 25 years | also a one-purchase answer |
| Records still on file | Drawings, MTC 3.1, zinc reports and QC photographs for every build — archived 10 years, so your replacement or extension quotes in hours | |||
Multiply your climb meters by the row that matches your air before you shortlist anything — that single line of arithmetic decides more access-equipment budgets than any brochure.
Decision Discipline
Choose on the 25-Year Number — and the Four Ways Buyers Get It Wrong
The verdict rows convert the cost window into plain instructions; the error table catches the choices that look careful in the meeting and bill you twice in the field.
| When Your 25-Year Math Says… | Order | Typical Project |
|---|---|---|
| HDG survives the window untouched (C2–C3) | Galvanized ladder with cage, $95/m | rural tank farm, urban rooftop plant |
| One touch-up still beats 1.8x forever (C4, dry chem) | HDG plus a scheduled inspection | general fabrication yard |
| Refurb at year 12 kills the saving (C5) | SS316 2.5x once | harbour installations, brine rooms |
| Corrosion is chemical, not atmospheric | FRP with matched resin | pickling lines, chlorine dosing |
| Washdown audits, metal mandated | SS304 1.8x | food and beverage exteriors |
| The Careful-Looking Error | Its Real 25-Year Bill | Do This |
|---|---|---|
| Site-wide SS316 to make one document simple | 2.5x on meters that owed nothing | one-line-per-zone spec; we quote it that way in 24 h |
| Cheapest HDG bid, coating thickness never checked | half-micron zinc halves the calendar — replacement lands mid-window | accept bids only with a per-part ISO 1461 thickness report; ours ships standard |
| Refurbishment money ignored in the C5 budget | second mobilization, access equipment, downtime — more than the 316 premium | buy the one-purchase metal for surf zones |
| Alloy ladder priced per-meter against $95/m steel | false comparison — different geometry, different duty | compare duty-matched itemized quotes only |
Feature to Outcome
Five Reasons the 25-Year Number Stays Low
Each row is a cost that never reaches your ledger — by design, not by luck.
| Feature | Advantage | Your Outcome |
|---|---|---|
| Five-stage QC with documents at every gate | MTC 3.1, ISO 5817 C welds, zinc report, trial fit, photos | nothing arrives unproven — no install-day surprises |
| Zinc matched to your air, not to a price point | 85–100 μm ISO 1461 as the floor, upgrade counsel included | you buy exactly the life the site demands |
| Factory-direct since 2004, 3000 m², 1500 t/year | the plant that dips it also welds and assembles it | one accountable source, no broker margin in between |
| 15–25 day delivery, MOQ 1 | single-ladder orders move at project speed | your schedule sets the pace, not a batch calendar |
| Sea freight quoted FOB to DDP, $280–550 lanes | freight shown as its own honest line | landed cost visible before you commit |