C-shape cover
Reference: D × T
- 20 × 3 mm
- 25 × 3 mm
- 30 × 3 mm
- 35 × 3 mm
F1-STRUX· Fixed ladders
Fiberglass fixed ladders and FRP access systems
Industrial fixed FRP / GRP ladder assemblies with pultruded side rails, fluted rungs, mounting brackets, optional cage components and separate C/U rung-cover retrofits. Nominal catalog dimensions are shown below; the approved project drawing controls fabrication and fall-protection interfaces.
FIG. 1 Fixed ladder with cageReference photo
A complete FRP fixed ladder is a project assembly, not a loose profile
The assembly combines square pultruded side rails, fluted round rungs, rung gaskets, splice bars and project-specific wall or floor brackets. Optional hoops and cage strips form one access-safety arrangement; a vertical ladder-safety or personal-fall-arrest interface may still govern under the adopted standard.
This product page owns the fixed industrial ladder intent. For platform-edge protection, use the separate fiberglass handrail and guardrail systems page; for walking surfaces, use FRP stair treads or grating.
Manual-verified nominal ladder dimensions
Values are transcribed from the product manual and rebuilt as accessible HTML. They are useful for early layout and RFQ comparison, but they are not a substitute for the approved ladder elevation, load verification or anchor design.
| Component / parameter | Nominal catalog value |
|---|---|
| Maximum length without a splice | 7,300 mm |
| Maximum ladder length with catalog cage | 10,200 mm |
| Outside width, rail to rail | 500 mm |
| Rung spacing, center to center | 300 mm |
| Fluted round-tube rung | 32 mm outside diameter × 6.4 mm wall |
| Square-tube side rail / post | 50.8 × 50.8 × 6.4 mm |
| Solid square splice bar | 38 × 38 mm × 200 mm long |
| Rung gasket | Black rubber |
| Catalog rung-to-rail rivet | 4 × 20 mm |
Hoops, cage strips and mounting references
FIG. 2 Typical cage arrangementManual drawing
| Component / parameter | Nominal catalog value |
|---|---|
| Ladder hoop | 76 mm wide × 13 mm thick; hand lay-up; predrilled with bolt assemblies |
| Hoop thickness source check | English table and section detail show 13 mm; the Chinese line shows 10 mm — approved drawing controls |
| Hoop bracket | 75 × 140 × 10 mm U-shape; predrilled with bolt assemblies |
| Cage strip | Pultruded C-channel 50 × 14 × 3 mm |
| Wall-mount bracket | Pultruded angle 76 × 200 × 9.5 mm; 457 mm long |
| Floor mount | Pultruded angle 102 × 102 × 9.5 mm; two per set with bolt assemblies |
| Optional foot-base mount | Molded BMC base |
| Component / parameter | Nominal catalog value |
|---|---|
| Equal hoop spacing | 1,219 mm maximum |
| Wall-bracket spacing | 1,829 mm maximum |
| Bottom-of-cage clearance | 2,100 mm minimum / 2,400 mm maximum |
| Front cage width | 813 mm |
| Walk-through side clear dimension | 400 mm ID |
| Top-rung transition | Top rung level with walkout surface |
| Catalog platform-height reference | 9,144 mm maximum |
C-shape and U-shape fiberglass ladder rung covers
These gritted covers fit over existing steel or timber rungs. They are a retrofit accessory—not the complete ladder's 32 mm fluted FRP tube rung—and require a substrate, adhesive, preparation and slip-performance specification.
FIG. 3 C- and U-shape rung coversManual photo
U-shape cover
Reference: A × B × C × T
- 20 × 20 × 20 × 3 mm
- 25 × 25 × 25 × 3 mm
- 30 × 30 × 30 × 3 mm
- 38 × 38 × 38 × 3 mm
Six inputs that turn a catalog ladder into a releasable system
- Input 1
Access geometry
State vertical rise, lower and upper landing levels, step-across or walk-through exit, available wall stand-off and all nearby obstructions.
- Input 2
Governing standard
Name the jurisdiction, owner specification and fixed-ladder standard. Cage, ladder-safety and personal-fall-arrest requirements are not interchangeable.
- Input 3
Support substrate
Identify concrete, steel, masonry or FRP framing, plus edge distances and access behind the support. The substrate controls bracket and anchor design.
- Input 4
Environment
List chemicals, concentration, temperature, washdown, UV and electrical exposure so the resin, surface and metal hardware can be selected for the service.
- Input 5
Fall-protection interface
Confirm whether the design needs a cage, vertical ladder-safety system, personal fall-arrest interface, rest platform or a combination under the adopted rules.
- Input 6
Release package
Approve the elevation, bracket schedule, splice locations, top transition, rung arrangement, anchor schedule and bill of materials before fabrication.
Safety-standard checkpoint. For U.S. general industry, review OSHA 1910.23 and OSHA 1910.28. For permanent access to machinery, confirm whether ISO 14122-4:2016 is within scope. Catalog cage dimensions do not themselves establish compliance.
Questions buyers ask
Is this a portable fiberglass ladder or a fixed FRP access ladder?
This page covers permanently mounted industrial fixed ladders assembled from FRP side rails, fluted rungs, brackets and optional access-safety components. It does not cover consumer step ladders, extension ladders or FRP cable-ladder trays.
What nominal dimensions are listed for the FRP fixed ladder?
The source catalog lists 500 mm outside rail-to-rail width, 300 mm rung spacing, 32 mm outside-diameter fluted rungs with 6.4 mm wall, and 50.8 × 50.8 × 6.4 mm square side rails. These are catalog references; the approved project drawing controls the released geometry.
Does a fiberglass ladder cage satisfy the fall-protection requirement?
Not automatically. The required system depends on ladder height, installation date, jurisdiction and owner standard. For U.S. general-industry fixed ladders extending more than 24 ft, OSHA 1910.28(b)(9) addresses ladder-safety or personal-fall-arrest systems; a cage may coexist but must not be treated as a universal substitute. Confirm the adopted rule before release.
Can the ladder be evaluated to OSHA or ISO 14122-4?
It can be evaluated when the RFQ identifies the applicable standard and supplies the full access geometry, support substrate, fall-protection concept and load basis. The catalog dimensions alone are not a compliance certificate, and ISO 14122-4 specifically addresses permanent access to machinery within its stated scope.
What are the C-shape and U-shape fiberglass rung products?
They are thin gritted covers fitted over existing steel or timber rungs. They are separate from the complete ladder's 32 mm fluted FRP tube rung and do not establish a whole-ladder load rating. Adhesive, substrate preparation and slip-test requirements must be specified for the retrofit.
What should an FRP ladder RFQ include?
Send the vertical rise, clear width and stand-off, top-exit detail, wall or frame substrate, bracket locations, exposure, governing standard, cage or fall-protection concept, color, quantity and destination. A marked elevation or CAD file is the fastest route to an approved BOM and fabrication drawing.
Quote a fixed ladder
Send the ladder elevation, the supports, the governing standard and the destination. We reply within one business day; a formal quotation follows once the specification and delivery are reviewed.
- Elevation
- Vertical rise, clear width, wall stand-off and the top-exit detail, marked on an elevation or CAD file.
- Supports
- Wall or frame substrate and the bracket locations.
- Standard and fall protection
- The governing standard and the cage or ladder-safety concept.
- Exposure and delivery
- Exposure, color, quantity and destination.