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Elite's 1000x1000mm SMC Square Manhole Cover is designed for large underground utility chambers, municipal infrastructure, drainage systems, electrical networks, telecommunications and other engineering applications where a wide access opening, corrosion resistance and reliable load performance are required.
Manufactured from glass-fiber-reinforced Sheet Molding Compound (SMC), this large square composite cover is available in B125 and C250 load classes. Its 880x880mm clear opening provides convenient access for inspection and maintenance while the molded composite structure offers a corrosion-resistant alternative to conventional ferrous covers.
Quick Specification: 1000x1000mm cover | 880x880mm clear opening | 1135x1135mm frame | B125 / C250 | 82.9 kg
The cover is manufactured from thermosetting resin reinforced with glass fiber through a controlled molding process. This composite structure provides the mechanical strength, dimensional stability and impact resistance required for large underground access covers.
The current 1000x1000mm product is available in B125 and C250 configurations. Final load-class selection should be based on the actual installation zone, expected loading conditions and applicable project specification.
SMC composite does not rust in the same way as conventional ferrous materials. This makes the cover suitable for municipal, drainage, utility and industrial environments exposed to moisture, road contaminants and changing outdoor conditions.
The composite body also reduces dependence on conventional anti-rust coatings or repeated repainting of the main cover structure.
For coastal, wastewater, industrial or chemically demanding applications, customers should provide the actual exposure conditions so that material suitability can be reviewed before ordering.
A key advantage of this 1000x1000mm model is its large 880x880mm clear opening. The wider opening provides additional access space for personnel, equipment inspection and maintenance of underground utility systems.
Because the overall frame measures 1135x1135mm, project engineers should confirm the complete chamber and frame footprint rather than selecting the product from the nominal 1000x1000mm cover size alone.
The product can incorporate a cover-and-frame sealing structure to help reduce the entry of surface water and help control odor transmission from underground chambers.
Sealing performance depends on the exact gasket, contact surfaces, cover-frame fit and installation condition. Projects requiring a defined waterproofing or odor-control level should specify the required performance criteria during the RFQ stage.
Sealing Note: Load-class performance and watertight or odor-control performance are separate requirements. Confirm both where the project specification requires them.
The non-metallic SMC structure provides electrical insulation, which can be useful for underground electrical, telecommunications and utility applications where a conductive metal cover may not be preferred.
For specialist electrical installations, customers should provide the applicable insulation or safety requirements before final product approval.
The SMC composite body has low scrap-metal value compared with conventional cast iron covers. This can help reduce the theft incentive associated with recyclable metal access covers in public infrastructure applications.
The molded surface can incorporate an anti-slip texture designed to improve traction for pedestrians, maintenance personnel and vehicle tires in wet outdoor environments.
Surface pattern, molded identification, logo and color can also be customized according to project requirements where technically feasible.
The 1000x1000mm SMC Square Manhole Cover is currently available in B125 and C250 versions.
Code | Load Class | Clear Opening (O) | Cover Size (D) | Frame Size (F) | h | H | Weight |
|---|---|---|---|---|---|---|---|
SS1000B | B125 | 880x880 mm | 1000x1000 mm | 1135x1135 mm | 40 mm | 70 mm | 82.9 KG |
SS1000C | C250 | 880x880 mm | 1000x1000 mm | 1135x1135 mm | 40 mm | 70 mm | 82.9 KG |
Installation Note: The 1000x1000mm value refers to the cover dimension. The clear opening is 880x880mm and the complete frame size is 1135x1135mm. Confirm the chamber opening, supporting structure and frame footprint before ordering.
For a large access cover, size and load class must be evaluated separately. A 1000x1000mm cover does not automatically indicate the traffic environment for which it should be used.
The SS1000B version is listed as B125, while the SS1000C version is listed as C250. Customers should select the required version according to the installation zone, anticipated loading and engineering specification.
If D400 or another higher load class is required, please provide the project requirement so that Elite can recommend a suitable heavy-duty product configuration rather than assuming that the B125 or C250 model can be used interchangeably.
Municipal utility chambers
Large underground service access points
Drainage and sewer infrastructure
Electrical utility chambers
Telecommunication networks
Commercial developments
Residential infrastructure
Parks and public facilities
Industrial utility systems
Water treatment and pipeline infrastructure
Large access covers need to balance structural performance with practical transportation, installation, maintenance and environmental requirements. SMC provides several advantages for this type of application.
Project Requirement | SMC Composite Advantage |
|---|---|
Large Access Opening | 880x880mm clear opening provides practical maintenance access |
Corrosion Resistance | Composite body does not rust like conventional ferrous materials |
Electrical Environment | Non-metallic SMC provides electrical insulation |
Surface Safety | Molded anti-slip surface options available |
Theft Risk | Low scrap-metal value compared with cast iron |
Customization | Dimensions, colors, markings, surface and load configurations can be reviewed |
Large underground chambers frequently require project-specific dimensions or structural details. Elite provides OEM and ODM composite molding solutions for standard and customized infrastructure projects.
Customization can include cover dimensions, clear opening, frame structure, load class, color, molded logo, utility identification, surface pattern, locking system, sealing arrangement and other functional features.
For customized large-size covers, customers should provide drawings, chamber dimensions, required load class, installation environment, quantity and technical documentation requirements.
Learn more about our custom SMC molding capabilities.
Elite New Materials specializes in SMC and BMC composite molding and has more than 20 years of experience in composite products for building and infrastructure applications.
For large-format manhole covers, dimensional consistency is especially important. Cover dimensions, frame geometry, clear opening, surface condition and load-related structural performance must work together with the supporting chamber.
Quality control covers raw materials, production processes and finished products. For projects requiring EN124 or other technical documentation, customers should identify the exact standard and required load class before ordering.
View more information about quality inspection and technical support.
Project Approval Tip: For a 1000x1000mm cover, confirm test documentation for the exact size and load-class configuration rather than relying only on general SMC product-family data.
Elite supports standard and customized composite manhole-cover orders for domestic and international infrastructure projects.
The current product information lists shipment of standard configurations in approximately 30 days. Lead time for customized orders should be confirmed after dimensions, tooling requirements, load class and production quantity have been reviewed.
For international projects, customers should provide the destination country or port, order quantity, packaging requirements and target delivery schedule during the quotation stage.
For municipal and infrastructure projects, stable product quality, dimensional consistency, technical communication and repeatable manufacturing are important considerations in addition to the initial product specification.
The following customer communication images are retained from the original product page as direct customer feedback.
Elite continues to develop SMC and BMC composite products for infrastructure applications where corrosion resistance, durability and reduced corrosion-related maintenance can support long-term use.
The company also participates in community and social-service activities as part of its broader corporate responsibility efforts.
The 1000x1000mm format is particularly useful where underground chambers require a relatively large clear opening for maintenance access. Depending on load class and project configuration, SMC square covers can be used across municipal, utility, industrial and public infrastructure.
Required cover size and clear opening
Required B125, C250 or other load class
Installation zone and expected loading conditions
Chamber and supporting-frame dimensions
Required sealing or odor-control features
Surface pattern and anti-slip requirements
Color, logo or utility identification
Locking or access requirements
Required quantity
Required EN124 or other technical documentation
Destination country or port
Target delivery schedule
The listed clear opening is 880x880mm. The cover measures 1000x1000mm, while the complete frame measures 1135x1135mm.
SS1000B is the B125 configuration and SS1000C is the C250 configuration. Both use the same listed cover, opening and frame dimensions, but the required version should be selected according to the project's load-class requirement.
The current product specification lists B125 and C250 versions. If D400 or another higher load class is required, customers should provide the project specification so that a suitable heavy-duty configuration can be recommended and confirmed.
SMC is suitable for many wet and outdoor infrastructure environments because the composite body does not rust like conventional ferrous materials. Specific wastewater or chemical exposure conditions should still be provided for technical review.
A suitable sealing structure can help reduce surface-water entry and odor transmission. Where a specific sealing or leakage level is required, the applicable test criteria should be identified before ordering.
Yes. Depending on engineering feasibility, dimensions, clear opening, frame structure, load class, color, logo, surface pattern, locking system and sealing features can be customized.
Documentation availability depends on the exact size, load class and product configuration. Customers should identify the required standard and approval documents during the RFQ stage so that the applicable records can be confirmed.
Whether you require the standard 1000x1000mm B125 or C250 model or a customized large-format composite access cover, Elite can review your chamber dimensions, required load class, drawings, quantity and technical requirements before quotation.
Contact Elite New Materials for a quotation or explore more SMC composite manhole covers.
