--- title: "What Is FRP Material? Fiberglass & GRP | Strongrate" description: "What is FRP material? FRP means fiber-reinforced polymer or plastic; GRP and GFRP name the glass-reinforced group used in fiberglass grating." url: https://www.strongrate.us/resources/what-is-frp-material/ markdown: https://www.strongrate.us/resources/what-is-frp-material.md published: 2026-10-17 updated: 2026-10-18 --- [Home](https://www.strongrate.us/) › [Resources](https://www.strongrate.us/resources/) › [FRP material basics](https://www.strongrate.us/resources/what-is-frp-material/) # What Is FRP Material? Meaning, GRP and Fiberglass Grating _Updated Oct 18, 2026_ FRP means fiber-reinforced polymer or plastic: reinforcing fibers combined with a polymer resin matrix. In fiberglass grating, the reinforcement is glass fiber. GRP and GFRP identify this glass-reinforced group. An order for FRP grating also needs the construction, resin, panel geometry and load requirements; the acronym does not identify a specific product. ## FRP, GRP and fiberglass: reading the terminology **Material terms in a grating specification** | Term | Meaning | What to establish | | --- | --- | --- | | FRP | Fiber-reinforced plastic; the wider family can use glass, carbon or other reinforcing fibers. | Identify the actual reinforcement and resin. | | GRP | Glass-reinforced plastic: the glass-fiber subset of FRP. | Compare the specified configuration, not only the acronym. | | GFRP | Glass fiber-reinforced polymer. | Identify whether the item is a grating panel, profile or other component. | | Fiberglass grating | A product description for glass-reinforced grating panels. | State molded or pultruded construction, dimensions and resin. | An RFQ that says only “FRP panels” leaves the product form unclear. A solid sheet, wall panel, grating panel and structural profile are different purchases. Attach a drawing or product designation and describe the intended use before comparing prices. ## Reinforcement and resin have different roles The fibers provide reinforcement; the resin forms the surrounding matrix. Resin chemistry, fiber arrangement and the manufacturing process are part of the material description. The word fiberglass alone does not specify a resin grade or a structural capacity. ![Glass fibers within a resin matrix, with molded and pultruded grating shown as different product constructions](https://www.strongrate.us/images/technical/frp-material-construction.svg) Schematic material and construction guide. Fiber arrangement and finished geometry vary by product; this illustration is not a manufacturing or installation detail. Strongrate’s catalog lists vinyl ester and polyester resin systems for its grating range. Choose from the documented options using the chemical, concentration, temperature and contact pattern in your project. The [chemical-resistance guide](https://www.strongrate.us/resources/fiberglass-grating-chemical-resistance/) connects those inputs to the catalog chart; record the selected chart conditions with the proposed resin. ## Choose the product form before comparing specifications - [Molded fiberglass grating](https://www.strongrate.us/molded-fiberglass-grating/): Compare mesh, depth, panel dimensions and surface against the proposed supports and openings. - [Pultruded fiberglass grating](https://www.strongrate.us/pultruded-fiberglass-grating/): Specify the bearing-bar model and direction, span, cross-rod arrangement and resin. - [Pultruded structural profiles](https://www.strongrate.us/frp-structural-shapes/): Select the beam, channel, tube or angle section, then provide member lengths and connection details. - [Handrails and fixed ladders](https://www.strongrate.us/frp-safety-products/): Coordinate the assembly layout, mounting surfaces and attachment interfaces with the supporting structure. For stairs, distinguish a [load-bearing grating tread](https://www.strongrate.us/fiberglass-stair-treads/) from a [cover for an existing sound step](https://www.strongrate.us/fiberglass-stair-tread-covers/). For flooring, distinguish the grating panel from the complete [walkway or platform assembly](https://www.strongrate.us/applications/fiberglass-walkway-grating/). A product name does not replace the support and connection drawings. ## Is FRP grating the same as plastic grating? “Plastic grating” is a broad search description. Establish whether the proposed panel has glass reinforcement and identify its resin and construction. Do not substitute an unreinforced plastic floor tile for a specified fiberglass grating panel simply because both products have an open surface. Compare the actual product documentation and intended loading. Terms such as composite grating, FRP grating and GRP grating can describe the same glass-reinforced product in a specification. Use the [fiberglass grating overview](https://www.strongrate.us/fiberglass-grating/) to select a family, then use the [molded-versus-pultruded guide](https://www.strongrate.us/compare/molded-vs-pultruded-fiberglass-grating/) to compare construction. Keep one unambiguous product designation on the order. ## What to include when ordering FRP grating 1. Name the application and product form, then attach a marked layout or part drawing. 2. Record dimensions, clear spans, bearing direction, load cases and deflection criteria. Check the [catalog load tables](https://www.strongrate.us/resources/fiberglass-grating-load-tables/) for the selected configuration. 3. Describe chemicals, temperature, outdoor exposure, walking surface and cleaning conditions. 4. Identify required test documents and have the responsible designer review their product-specific scope. A material acronym is not a fire, access or structural approval. 5. List quantities, cutouts, clips and related components. Use the [specification finder](https://www.strongrate.us/tools/grating-specification-finder/) to compare catalog entries, then send the schedule with your [quote request](https://www.strongrate.us/request-quote/). Strongrate products are made in Nantong, China, and ship from China. Include your delivery ZIP or postal code and required date when reviewing [factory-direct ordering](https://www.strongrate.us/buy-direct/). ## Related pages - [FRP product data and technical resources](https://www.strongrate.us/resources/): Product data for grating, structural profiles, handrails and ladders, with practical guidance for specification and installation. - [Fiberglass grating](https://www.strongrate.us/fiberglass-grating/): Choose molded or pultruded grating, stair products and fastening hardware from Strongrate’s factory-listed range. - [FRP vs steel grating comparison](https://www.strongrate.us/compare/frp-vs-steel-grating/): Compare grating materials against the same project requirements, verify replacement details and build a cost comparison from actual quotes and maintenance records. - [Fiberglass grating chemical resistance](https://www.strongrate.us/resources/fiberglass-grating-chemical-resistance/): Use the factory catalog chemical chart to screen resin options, document service conditions and prepare a project-specific grating selection. **Request a quote:** https://www.strongrate.us/request-quote/ · Order a sample: https://www.strongrate.us/samples/ — Share the intended use, product form, dimensions and quantity to start a project inquiry. ## Sources - [Fibergrate glossary: Fiber Reinforced Plastics and GRP terminology](https://www.fibergrate.com/resource-centre/glossary/?id=31826) (accessed Oct 17, 2026) - [Federal Highway Administration: FRP composite technology and GFRP terminology](https://www.fhwa.dot.gov/bridge/composite/) (accessed Oct 17, 2026) - [American Composites Manufacturers Association: Composite Materials Technology — A Primer](https://acmanet.org/composite-materials-technology-primer/) (accessed Oct 17, 2026) - Strongrate product catalog (Sep 2023): grating, resin systems, structural shapes and access products (accessed Oct 17, 2026) --- Fiberglass (FRP) grating made by NANTONG STRONGRATE CO.,LTD in Nantong, China. Products ship from China. Made in Nantong, China · Ships from China.