# Strongrate > Fiberglass (FRP) grating made by NANTONG STRONGRATE CO.,LTD in Nantong, China. Products ship from China. Fiberglass (FRP) grating for US and Canadian buyers: products, prices and landed cost, technical data, and how factory-direct buying works. Made in Nantong, China · Ships from China · HTS 3925.90. Values shown as "On request" or "Quoted per project" are confirmed per quote, not published. Every page is also available as Markdown at the linked .md URL; the full text of all pages is at https://www.strongrate.us/llms-full.txt. ## Products - [Fiberglass Grating & FRP Grating: Types, Specs, Prices](https://www.strongrate.us/fiberglass-grating.md): What fiberglass (FRP) grating is, how molded and pultruded types differ, standard panel sizes and price ranges, and the grating options Strongrate makes. - [Molded Fiberglass Grating (FRP): Sizes, Specs · Strongrate](https://www.strongrate.us/molded-fiberglass-grating.md): Molded fiberglass (FRP) grating from Strongrate’s Nantong factory by depth and mesh: square, rectangular and mini meshes, the four DNV-listed models with their ASTM E84 results, panel sizes, resins, surfaces and how to get factory pricing. - [1 Inch Fiberglass Grating (Molded): Specs, Load Table, Price](https://www.strongrate.us/molded-fiberglass-grating/1-inch-square-mesh.md): Specifications, ASTM E84 results, panel sizes and catalog load tables for Strongrate 1-inch-deep molded fiberglass grating with a 1-1/2-inch square mesh (DNV-listed model 38×38×25 mm), and how to order it. - [1.5 Inch Fiberglass Grating: 1-1/2" Molded Specs & Price](https://www.strongrate.us/molded-fiberglass-grating/1-5-inch-square-mesh.md): Specifications, ASTM E84 results, panel sizes and catalog load tables for Strongrate 1-1/2-inch-deep molded fiberglass grating with a 1-1/2-inch square mesh (DNV-listed model 38×38×38 mm), and how to order it. - [2 Inch Fiberglass Grating (Molded): Specs, Load Table, Price](https://www.strongrate.us/molded-fiberglass-grating/2-inch-square-mesh.md): When to specify 2-inch-deep molded fiberglass grating with a 2-inch square mesh: Strongrate catalog weight, open area, panel sizes and deflection tables, and how to order it. - [Rectangular Mesh Fiberglass Grating: 1x4 and 1x6 Specs](https://www.strongrate.us/molded-fiberglass-grating/1x4-rectangular-mesh.md): Strongrate’s 1-inch × 4-inch and 1-inch × 6-inch rectangular-mesh molded grating: catalog weight, open area, span direction, panel sizes and deflection tables, the DNV-listed 1 × 6 vinyl ester model’s ASTM E84 results, and how to order. - [Mini Mesh Grating in Fiberglass: ADA Opening Rule & Specs](https://www.strongrate.us/molded-fiberglass-grating/mini-mesh-ada.md): What mini mesh molded fiberglass grating is, how the ADA 302.3 half-inch opening rule applies to the five mini-mesh patterns in Strongrate’s catalog, their weight, open area, panel sizes and deflection tables, and how to order. - [Pultruded Fiberglass Grating (FRP): I-Bar & T-Bar Panels](https://www.strongrate.us/pultruded-fiberglass-grating.md): Strongrate pultruded fiberglass (FRP) grating: the 36 I-bar and T-bar types in the factory catalog with depth, open area and weight, the two DNV-listed models and their ASTM E84 results, resins, surfaces and how to order. - [1 Inch Pultruded Fiberglass Grating: I-Bar Specs & Loads](https://www.strongrate.us/pultruded-fiberglass-grating/i-bar-1-inch.md): The three 1-inch I-bar pultruded grating types in Strongrate’s catalog (I-4010, I-5010, I-6010) with open area, weight, catalog deflection tables, resins and surfaces. - [1.5 Inch Pultruded Fiberglass Grating: I-Bar Loads & Price](https://www.strongrate.us/pultruded-fiberglass-grating/i-bar-1-5-inch.md): The three 1-1/2-inch I-bar pultruded grating types in Strongrate’s catalog (I-4015, I-5015, I-6015) with open area, weight and catalog deflection tables, plus the ASTM E84 results of DNV-listed I 6015. - [2 Inch T-Bar Fiberglass Grating: Pultruded Loads & Price](https://www.strongrate.us/pultruded-fiberglass-grating/t-bar-2-inch.md): The two 2-inch T-bar pultruded grating types in Strongrate’s catalog (T-3320, T-5020) with open area, weight, catalog deflection tables and resins, plus the ASTM E84 results of DNV-listed T5020. - [Fiberglass Stair Treads (FRP): Sizes, Grit Nosing, Price](https://www.strongrate.us/fiberglass-stair-treads.md): Molded and pultruded fiberglass (FRP) stair treads with gritted nosing: the treads in Strongrate’s catalog, their sizes, OSHA 1910.25 stair rules, guide-specification design loads and how to order. - [Fiberglass Stair Tread Covers & Nosing · Strongrate](https://www.strongrate.us/fiberglass-stair-tread-covers.md): Gritted fiberglass stair tread covers with nosing that retrofit worn or slippery steps: the pultruded nosing covers and gritted sheet in Strongrate’s catalog, typical US sizes, how to measure and fit them, and how to order. - [Fiberglass Grating Clips & Hold-Down Clips (Types M, J, G)](https://www.strongrate.us/accessories/fiberglass-grating-clips.md): Hold-down clips for molded and pultruded fiberglass grating: the STRONGFIX types in Strongrate’s catalog, common US clip types, the Type 316 stainless and 4 ft spacing rules in US guide specifications, and how to order clips with grating. ## Pricing and Buying - [Fiberglass Grating Price per Square Foot (2026) · Strongrate](https://www.strongrate.us/pricing/fiberglass-grating-price.md): Fiberglass grating prices per square foot and per panel: dated US market benchmarks, what moves the price, and how Strongrate quotes factory-direct prices per project. - [Buy Fiberglass Grating Direct from the Manufacturer](https://www.strongrate.us/buy-direct.md): How factory-direct buying works for fiberglass grating from Nantong, China: when it fits, FOB, CIF and DDP, container orders, payment, inspection and documents, and how small or urgent orders are routed to US stock. - [FRP Grating Import Duty, Landed Cost & Freight (2026)](https://www.strongrate.us/buy-direct/landed-cost-duty-and-freight.md): How to estimate the landed cost of FRP grating imported from China: HTS 3925.90 classification, the current China duty stack with its as-of date, tariffs that no longer apply, ocean freight benchmarks and a worksheet. - [Fiberglass Grating Lead Times, MOQ & Shipping from China](https://www.strongrate.us/buy-direct/lead-times-moq-and-shipping.md): Lead time for factory-direct fiberglass grating by stage, ocean transit from Shanghai to US ports, minimum orders, container loading and how small or urgent orders are routed to US stock. - [Buy America (BABA) and Fiberglass Grating: What Qualifies](https://www.strongrate.us/buy-direct/buy-america-baba.md): Why fiberglass grating made in China, including Strongrate’s, does not qualify for federally funded infrastructure under Build America, Buy America (BABA), which programs are covered, and why privately funded projects are unaffected. - [Fiberglass Grating Warranty, Payment Terms & Returns](https://www.strongrate.us/buy-direct/terms-warranty-and-returns.md): What a Strongrate factory-direct quote and order confirmation state (warranty, payment, Incoterm, inspection, cancellation and returns), the shipping documents, and published US terms of sale for comparison. - [Fiberglass Grating Suppliers: Factory-Direct vs US Stock](https://www.strongrate.us/fiberglass-grating-suppliers.md): How US buyers choose between established grating manufacturers, US stocking distributors and importers, and factory-direct supply from Nantong, with our routing rule for small or urgent orders and a supplier checklist. - [Request Fiberglass Grating Samples · Strongrate](https://www.strongrate.us/samples.md): Request a fiberglass grating sample from the factory in Nantong, China, to check surface, color and fit before a container order or for a project submittal. - [Request an FRP Grating Quote · Reply in 1 Business Day](https://www.strongrate.us/request-quote.md): Request an FRP grating quote: send drawings and quantities; container and project orders get a factory quote from Nantong, small or urgent orders are referred to a US stocking importer, and federally funded work is screened for Buy America. ## Applications - [Car Wash Grating: Fiberglass Floor & Trench Grates](https://www.strongrate.us/applications/car-wash-grating.md): Fiberglass grating for car wash pits, trench drains and bays: where wheel loads need heavy-duty grating, surface and resin choices, how to estimate quantity, and a dated US price benchmark. - [Fiberglass Dock & Marina Grating: Sizes, Loads, Price](https://www.strongrate.us/applications/dock-and-marina-grating.md): Fiberglass grating for docks, piers and marinas: resin and UV choices for salt water, barefoot-friendly surfaces, open area, panel sizes and weights, load tables, certificates and price benchmarks. - [Fiberglass Trench Covers & Drain Grates: Loads & Sizes](https://www.strongrate.us/applications/trench-covers-and-drain-grates.md): Fiberglass trench grating, trench covers and drain grates: load classes for foot, cart and vehicle traffic, sizing covers to the trench, frames and hold-downs, cutting to size and price benchmarks. ## Resources - [Fiberglass Grating Resources: Load Tables, Specs, Guides](https://www.strongrate.us/resources.md): Index of fiberglass grating technical resources (load tables, sizes and weights, specifications, fire ratings, how-to guides, comparisons) and the standards they cite. - [Fiberglass Grating Load Tables: Span, Load & Deflection](https://www.strongrate.us/resources/fiberglass-grating-load-tables.md): The load tables in Strongrate’s catalog for each product, and how to read fiberglass grating load tables: uniform and line loads by span, deflection limits and safety factors. - [Fiberglass Grating Sizes, Weight & Open Area Chart](https://www.strongrate.us/resources/fiberglass-grating-sizes-weight-and-open-area.md): Strongrate’s catalog size tables for molded and pultruded fiberglass grating (depth, weight, open area, panel sizes), common US panel sizes, and how to work out panel weight. - [Fiberglass Grating Specifications: CSI 06 74 13 Guide Spec](https://www.strongrate.us/resources/fiberglass-grating-specifications.md): An editable three-part CSI MasterFormat 06 74 13 guide specification for molded and pultruded fiberglass grating, with specifier’s notes, origin and warranty options, Strongrate catalog material data and a compliance table. - [FRP Grating ASTM E84 Class 1 Fire Rating: Test Results](https://www.strongrate.us/resources/astm-e84-class-1-fire-rating.md): What ASTM E84 Class 1 (Class A) means for FRP grating, the flame spread and smoke-developed indexes of Strongrate’s six DNV-listed models, and how to specify fire performance. - [How to Cut Fiberglass Grating: Blades, Steps, Sealing](https://www.strongrate.us/resources/how-to-cut-fiberglass-grating.md): How to cut fiberglass grating: carbide or diamond tooling, supporting the panel, cut lines on molded and pultruded grating, sealing cut edges with resin and protective equipment. - [How to Install Fiberglass Grating: Clips, Spans, Supports](https://www.strongrate.us/resources/how-to-install-fiberglass-grating.md): How to install fiberglass grating: support bearing, span direction, clip layout and counts per panel, cut-outs, guardrails, inspection and expansion gaps. - [Molded vs Pultruded Fiberglass Grating: Which to Choose](https://www.strongrate.us/compare/molded-vs-pultruded-fiberglass-grating.md): How molded and pultruded fiberglass grating differ in manufacture, glass content, stiffness, weight, open area and cost, with a decision table by application. - [Fiberglass vs Steel Grating: Weight, Cost, Lifespan Compared](https://www.strongrate.us/compare/fiberglass-vs-steel-grating.md): How fiberglass and steel grating compare on weight, corrosion, conductivity, temperature, upfront and 20-year cost and import rules, including when steel is the better choice. - [Fiberglass Grating FAQ: Specs, Pricing, Buying Direct](https://www.strongrate.us/faq.md): Short answers to common buyer and engineer questions about fiberglass grating materials, loads, fire ratings, prices, import duty and buying factory-direct, each linking to its full page. ## Company - [Fiberglass Grating (FRP) Factory-Direct · Strongrate](https://www.strongrate.us/index.md): Factory-direct molded and pultruded fiberglass (FRP) grating made in Nantong, China, for US and Canadian container and project orders; small or urgent orders are referred to US stocking importers. - [Contact Strongrate · FRP Grating Made in Nantong, China](https://www.strongrate.us/contact.md): How to contact Strongrate: the message, quote and sample forms, replies within 1 business day (US Central time), and which form to use for prices, samples, technical questions and resale. - [About Strongrate: FRP Grating Manufacturer in Nantong, China](https://www.strongrate.us/about.md): Who makes Strongrate grating: the legal entity NANTONG STRONGRATE CO.,LTD, producing FRP since 2003, its factory in Nantong, China, as its catalog describes it, its product lines and its DNV certificate. - [FRP Grating Certifications: DNV Type Approval, ASTM E84](https://www.strongrate.us/about/certifications-and-test-reports.md): Strongrate’s fiberglass grating certification, DNV Type Approval TAF0000191 Rev. 1, what it covers, and the ASTM E84-19a results for its six listed models. ## Optional - [Privacy Policy · Strongrate](https://www.strongrate.us/privacy.md): What the quote, sample and contact forms on strongrate.us collect, who receives it, how cookieless analytics work, and how to ask for a copy or deletion. - [Website Terms of Use · Strongrate](https://www.strongrate.us/terms.md): Terms of use for strongrate.us: prices shown are indicative and not offers, technical data must be checked by your engineer, how site content may be used, and how terms of sale and governing law are set.