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Fiberglass manhole cover (GFRP manhole cover) is a composite manhole cover with glass fiber reinforced plastic (GFRP) as the main material. It is made by combining glass fiber with resin (such as unsaturated polyester, epoxy resin), adding fillers, curing agents, etc., and has the characteristics of light weight, high strength, and corrosion resistance.
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| Parameter | Specification | Description |
|---|---|---|
| Material Composition | Glass Fiber Reinforced Plastic (GFRP) | Resin matrix (unsaturated polyester/epoxy) + glass fiber + additives. |
| Dimensions | Diameter: 600–1000 mm Thickness: 20–50 mm | Customizable sizes based on application requirements. |
| Load Capacity | EN 124 Standard: A15 (1.5 tons) to D400 (40 tons) | Suitable for pedestrian zones (A15) to heavy traffic roads (D400). |
| Weight | 10–25 kg (vs. 80–100 kg for cast iron) | 1/4 the weight of traditional cast iron covers. |
| Corrosion Resistance | Excellent resistance to acids, alkalis, salts, and UV exposure. | Ideal for coastal areas, chemical plants, and sewage systems. |
| Temperature Range | -40°C to +120°C | Stable performance in extreme climates. |
| Anti-Slip Design | Diamond/grinding surface texture | Meets slip-resistance standards (e.g., DIN 51130). |
| Anti-Theft Features | Bolt-free or embedded bolt design | No scrap value, discourages theft. |
| Color | Standard: Black/Grey Optional: Custom colors (e.g., yellow, green) | UV-resistant pigments for long-term color retention. |
| Certifications | EN 124, ISO 9001, RoHS | Compliant with international standards. |
| Service Life | ≥20 years | Low maintenance, no rust or degradation. |
Shandong Baowu Steel Group Co., Ltd. located in Shandong, we have convenient transportation.our company is a large-scale enterprise specializing in the production of seamless steel pipes, welded steel pipes, stainless steel pipes and stainless steel products. We mainly produce including stainless steel plates/coils and profiles, Steel plate, alloy steel plate, wear-resistant steel plate,Carbon plate, square tube, galvanized tube, non-ferrous metal, PPGI and PPGL and other materials. Our company also has cooperative factories, like TPCO, TISCO, ZPSS, Tianjin Iron and Steel Group, HBIS Group, and Steel, Shandong Iron and Steel Group.We have rich experience in foreign trade and have established long-term cooperative relations with many well-known foreign companies.
We are a factory as well as a professional manufacturer established for more than 20 years and export over 15 years.
Can provide small samples for free. Customized sample takes 5-7 days.
Small trial order takes 5-7 days. Container order need 15-20 days.
Cover with PE film , wrap with waterproof paper, pack with wooden plate,belt by steel strip, fasten on pallet.
All products we supply is primary as you need, Our company is certificated to CE, and every product will be tested for 4-5processes. We welcome customers or the third party inspection agencies to come to our factory for inspection.
Usually 30% deposit by TT in advance and balance against copy pf BL or L/C at sight.
Become a leader in the global steel industry and jointly create a high-quality steel ecosystem. A steel company specializing in the production and sales of steel products.
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