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Composite Manhole Cover — EN124 Certified Lightweight Access Cover
High-performance SMC composite manhole covers certified to EN124 load ratings. 60% lighter than cast iron with superior corrosion resistance, ideal for roads, driveways, and industrial access points.
Gallery
D400 Rated Composite Cover
Installation on Site
Anti-Slip Surface Detail
Factory Production Line
Overview
Engineered for Strength, Built for Longevity
Our composite manhole covers are manufactured using advanced Sheet Molding Compound (SMC) technology, delivering exceptional strength-to-weight performance. Certified to EN124 load standards from A15 to F900, these covers provide reliable access solutions for municipal, industrial, and commercial applications worldwide.
Unlike traditional cast iron covers, our SMC composite manhole covers weigh up to 60% less, significantly reducing transportation costs and on-site handling risks. The non-corrosive material composition eliminates rust-related deterioration, ensuring decades of trouble-free service even in harsh chemical or coastal environments.
Every cover undergoes rigorous third-party load testing and dimensional inspection before dispatch. Available in round and square configurations from 300 mm to 1200 mm, with custom sizes available for OEM and large-scale infrastructure projects. All units include anti-theft locking provisions and optional ventilation slots.
SMC hydraulic press production line — precision molded composite manhole covers
Specifications
Ficha Técnica
Specifications Diagram
Dimensions
Available in round (300–1200 mm) and square (300×300 – 1200×1200 mm) configurations with custom dimensions available on request.
| Parameter | Value |
|---|---|
| Material | SMC (Sheet Molding Compound) — Glass Fiber Reinforced Polymer |
| Load Rating (EN124) | A15 / B125 / C250 / D400 / E600 / F900 |
| Weight (600×600 D400) | 18.5 kg (41 lbs) — 60% lighter than cast iron |
| Surface Finish | Anti-slip patterned surface (R11 rating), UV-stabilized |
| Temperature Range | -40°C to +80°C (-40°F to 176°F) |
| Color Options | Black (standard), Gray, Green, Custom RAL available |
| Certification | EN124:2015, ISO 9001:2015, CE marked |
| Fire Rating | Class A (BS 476) — Self-extinguishing, low smoke emission |
Features
Características y Ventajas
Composite Manhole Cover Features
Advanced SMC composite technology delivers superior performance across every metric
Ultra-Lightweight Design
Weighs 60% less than cast iron equivalents, enabling one-person installation without heavy lifting equipment. Reduces shipping costs and on-site injury risks.
EN124 Certified Load Capacity
Third-party tested and certified across all EN124 load classes from A15 (pedestrian) to F900 (airport runways). Guaranteed performance under rated loads.
Corrosion & Chemical Resistant
Non-metallic SMC material will not rust, rot, or degrade in contact with salt water, sewer gases, acids, or industrial chemicals. Ideal for wastewater treatment and marine environments.
Anti-Theft Locking System
Integrated stainless steel locking mechanism with tamper-resistant bolts prevents unauthorized removal. Optional keyed-lock and sensor-ready designs available for security-sensitive sites.
Slip-Resistant Surface
Patterned anti-slip surface achieves R11 slip rating. Ensures pedestrian and vehicle traction in wet, icy, or oily conditions. Exceeds highway safety requirements.
Low Lifecycle Cost
Zero maintenance required — no painting, no rust treatment, no structural degradation. 30+ year service life delivers the lowest total cost of ownership compared to metal or concrete alternatives.
Applications
Where It's Installed
FRP Manhole Cover for Road Construction — Complete Guide
D400 rated composite covers for main roads, highways, and high-traffic urban streets. EN124 certified for vehicle loads.
Best Composite Manhole Cover for Driveway — Selection & Buying Guide
Lightweight B125/C250 covers ideal for home driveways, private parking areas, and pedestrian access paths.
Composite Access Cover Supplier for Water Industry — Guide
Corrosion-proof covers for water treatment plants, sewage systems, and underground utility vault access points.
Composite Manhole Cover Installation Guide — Step by Step
Chemical resistant covers for factories, warehouses, power plants, and processing facilities requiring non-sparking access.
Related Products
Explore Our Product Range
FRP Manhole Cover
Fiberglass reinforced plastic manhole covers with EN124 certification. Lightweight and durable for all applications.
D400 Manhole Cover
Heavy duty EN124 D400 rated covers designed for roadways and high-traffic areas. Maximum load capacity 400 kN.
Heavy Duty GRP Access Cover
High load-bearing glass reinforced polymer covers for heavy industrial and infrastructure applications. Robust and durable.