Standard structural profilesChannels, angles, beams and tubes for cable supports and access frames.Industry· Water & wastewater
FRP profiles for water & wastewater facilities
Water and wastewater projects use pultruded profiles and grating for cable supports, equipment access and walking surfaces. F1 supplies the specified profiles, panels and agreed fabricated components; treatment equipment and complete civil works are separate scopes.
FIG. 1 Water & wastewater
Where FRP is used, area by area
Exposure changes from one part of a treatment plant to the next, so the parts and the resin change too. This is where pultruded FRP is most often used, and what to check in each area.
| Area | Conditions | Typical FRP parts | What to check |
|---|---|---|---|
| Headworks and screening | Hydrogen sulfide, high humidity and wash-down | Walkway grating, covers, cable supports | Vinyl ester resin and a surface veil are the usual starting point where H₂S builds up under covers |
| Aeration and biological basins | Constant splash and humidity, outdoor UV | Access walkways, handrails, pipe and cable supports | Long runs along basin edges make weight and no recoating the main reasons to use FRP |
| Clarifiers and settling tanks | Immersion or splash at the water line | Baffles and plates cut from solid sheet, walkway grating | Parts that sit in the water need the resin and cut-edge sealing checked for immersion |
| Chemical dosing rooms | Sodium hypochlorite, ferric chloride, caustic, acids | Platforms, grating, cable trays, equipment frames | The chemical list with concentrations and temperatures; compatibility is confirmed per chemical |
| Sludge handling and digesters | Hydrogen sulfide, methane, heat | Cable trays and ladders, access frames, grating | Non-conductive trays and supports help where electrical isolation near equipment matters |
Products 5 product families
- Standard structural profilesChannels, angles, beams and tubes for cable supports and access frames.
FRP gratingMolded and pultruded panels for walkways and platforms around basins.
Reference photoHandrail systemsRail and post sections for edge protection.
Fiberglass sheetsSolid sheet cut to size for baffles and cover plates.
Custom profilesSpecial sections on new tooling when no catalog size fits.
Projects and applications
ApplicationFRP cable trays & laddersCompare FRP cable trays and cable ladders for corrosive environments. Define tray bases, ladder rungs, resins, supports, fittings and project requirements.
ApplicationFRP chemical plant platformsFRP chemical plant platforms using pultruded beams, channels, gratings, stair treads and handrails for acid splash and corrosive process areas.
Case study · Project photoFactory access staircaseA bolted FRP stair in our Chongqing plant, assembled by four people with hand tools: no welding, hot work or crane.Profiles used I-beams, square tubes, round tube, flat bar and molded grating
Documents
- Data sheetPDF · 3 MB
FRP Profile Design Manual — DOC-PF-2026-EN Rev. B
- Issued by
- F1 Composite
- For
- Structural shapes
Revision B (October 2026), generated from the website's catalog, laminate and design-basis data: EN 13706 E23 laminate values beside the grade minimums, section properties of all 114 catalog sizes, allowable uniform loads to the published LRFD screening basis, application guides, durability stated by resin formulation, fabrication and inspection. A preliminary-sizing reference, not a project approval or batch certificate; it supersedes the withdrawn Rev. A.
- CertificatePDF · 142 KB
EPD & Carbon Footprint — Pultruded GFRP Composite Profiles
- Issued by
- CABR
- For
- Standard profiles
Environmental Product Declaration and product carbon footprint analysis for F1 Composite pultruded GFRP composite profile products, with 1 m² functional unit. Calculation reference CABR-CFC-01(02)-2025(20030)1, cradle-to-gate 33,934.34 g CO₂e/m², distribution 254.59 g, cradle-to-grave 36,099.32 g. Standards: GB/T 24025-2009 (ISO 14025-aligned Type III EPD), GB/T 32161-2015, ISO 14067, PAS 2050. Issued by China Academy of Building Research Co., Ltd. (CABR) Certification Center on April 30, 2025.
- CADOn request
Standard Profiles — CAD Library
- Issued by
- F1 Composite
- For
- Standard profiles
2D and 3D CAD models for all standard I-beam, channel, angle, and tube profiles.
- CatalogOn request
Product Catalog 2024
- Issued by
- F1 Composite
- For
- All products
Complete catalog of standard pultruded FRP profiles with dimensions, properties, and ordering information.
- CertificateOn request
ISO 9001:2015 Certificate
- For
- All products
Request the current quality-management certificate holder, validity and scope for your proposed supply.
- CertificateOn request
CE Declaration of Performance
- For
- All products
Request product-specific performance and applicable conformity documentation; confirm the intended use and assessment route.
Questions buyers ask
Which resin suits a wastewater plant?
Do not select a resin from the word wastewater alone. Provide the chemicals and concentrations, temperature, immersion or splash conditions, cleaning agents and outdoor exposure; resin compatibility, reinforcement, surface veil and cut-edge protection are reviewed together. A material suitable for one treatment zone may not suit another.
Can FRP parts sit in the water?
Baffles and plates in clarifiers and settling tanks are cut from solid sheet. Parts that sit in the water need the resin and cut-edge sealing checked for immersion, so state which parts are immersed and which only see splash.
What does F1 supply for a treatment plant?
The specified profiles, grating panels and agreed fabricated components: raw lengths, cut and drilled profiles, panels, fixing hardware and any agreed assemblies, listed on the bill of materials. Treatment equipment and complete civil works are separate scopes, and the quote states who designs and installs the final structure.
Do fire and electrical requirements apply?
They belong to the offered material and assembly, rather than to fiberglass as a universal category. List the fire and electrical requirements in the RFQ with the operating and maintenance loads, panel support and attachment details.
Quote FRP for water & wastewater
Send what the parts do, the loads and exposure, the requirements that apply and the destination. We reply within one business day; a formal quotation follows once the specification and delivery are reviewed.
- Chemicals and exposure
- Chemicals with concentrations and temperatures, immersion or splash, cleaning agents and UV.
- Loads and layout
- Operating and maintenance loads, panel supports, attachment details and drawings.
- Scope of supply
- Raw lengths, cut and drilled parts, panels, hardware or agreed assemblies.
- Documents and delivery
- Tolerances, inspection documents, quantities and destination.