SMC Composite Manhole Covers

SMC FRP/GRP covers — 1/3 the weight of cast iron, theft-proof, and built to last 30+ years.

Our composite manhole covers are molded from SMC (Sheet Molding Compound), a high-strength FRP/GRP material that replaces traditional cast iron. Non-metallic, corrosion-proof and lightweight, these resin-based covers serve municipal roads, water and drainage, power, telecom and oil & gas networks in 30+ countries — and are engineered in our own factory to EN124 load classes A15 to F900.

Easy Install

One worker fits it by hand; no lifting gear, lower freight

Theft-Proof

Zero scrap value, so they're not stolen like iron

Corrosion-proof

Resists acids, alkalis and salt spray; ideal for coastal

Weatherproof

Handles harsh sun and heat without warping or fading

Safe

Non-conductive and anti-skid, even when wet

Maintenance-free

lasts decades. Custom colors, sizes, text and logos available

VICTORY Round 900mm EN124 D400 Unlockable SMC composite manhole cover and frame

Popular Composite Manhole Cover Models

Round 900mm EN124 D400 Unlockable SMC composite manhole cover and frame

900mm SMC Composite Manhole Cover Round/Square D400/C250 EN124

Round 650mm EN124 D400 SMC composite manhole cover and frame

650mm SMC Composite Manhole Cover Round D400/C250 EN124

Round 600mm EN124 C250 SMC composite manhole cover and frame

600mm SMC Composite Manhole Cover Round/Square D400/C250/B125/A15 EN124

Square 450mm EN124 D400 SMC composite manhole cover

450mm SMC Composite Manhole Cover Square D400/C250/B125/A15 EN124

Round 350mm EN124 C250 SMC composite manhole cover and frame

350mm SMC Composite Manhole Cover Round D400 EN124

Cover Plate or Full Frame-and-Cover Set

Depending on your project, order the cover plate on its own or as a complete frame-and-cover set. Replacing a cracked lid in an existing cast-iron frame? A composite cover plate drops straight in. Building new? A composite manhole frame and cover set seats and seals as one unit and installs faster. Either way, we can match your existing clear opening or build to drawing.

 Cover plate onlyFrame & cover set
Best forReplacing a lid in an existing frameNew-build and full refurbishment
SealingLimited by the old frameOptimized — designed as one unit
InstallationFastest swap-inBest long-term seal and fit

Full Specifications

SpecOptions / Range
MaterialSMC composite (FRP/GRP), non-metallic
ShapeRound / Square / Rectangular
Clear opening300–1000 mm (typical, configurable)
Load classEN124 A15 – F900
Frame depth40–150 mm (by class)
SealingStandard / watertight / ventilated (optional)
LockingOptional bolt / hidden lock (anti-theft)
SurfaceAnti-slip pattern; customizable text/logo
ColorBlack, grey, yellow, terracotta or custom RAL
Service life30+ years

Load Classes — EN124 A15 to F900

ClassTest LoadTypical Application
A1515 kN (1.5 t)Pedestrian & cycle areas
B125125 kN (12.5 t)Footways, car parks, light vehicles
C250250 kN (25 t)Kerbsides, gutters, slow-traffic edges
D400400 kN (40 t)Carriageways, roads, all vehicle parking
E600600 kN (60 t)Docks, ports, heavy industrial yards
F900900 kN (90 t)Airports, ports, very heavy wheel loads

D400 is the most common class for municipal roads; Middle East ports and industrial zones often call for E600–F900.

Made from SMC — Sheet Molding Compound

SMC (Sheet Molding Compound) sits in the FRP/GRP family — a glass-fiber-reinforced polymer pressed from sheets, so the fiber is spread evenly through the part. That even distribution is why an SMC resin composite cover can be made thinner and lighter than a cast BMC equivalent while carrying more load. It is, in effect, a non-metallic well cover: nothing inside it to corrode, conduct, or attract scrap thieves.

We mold every cover in our own plant, controlling the resin formulation, the press parameters, and the curing — the detail that keeps quality and lead time consistent batch to batch.

A Composite Manhole Cover Manufacturer You Can Audit

VICTORY is a manufacturer, not a trader. Raw material in, finished SMC covers out — molding, demolding, and inspection all under one roof, with in-house QC at every stage. Because we run our own factory, we can also put together the accessories that ship with the covers — lifting tools, frames, and fittings — so you source one container instead of chasing several suppliers. Book a live video tour of the line, or audit us in person before you order.

Composite Manhole Cover FAQ

Are composite manhole covers as strong as cast iron?

Yes. Built to the same EN124 class, an SMC cover carries the same rated load — up to D400 for roads, with E600/F900 for ports and heavy industrial sites on request. It adds what iron can’t: no rust, no conductivity, and no scrap value for thieves.

The EN124 range from A15 to F900. A15–B125 suit footways and pedestrian areas, C250 fits kerbside drainage, and D400 covers trafficked roads — the everyday municipal choice. E600 and F900 for docks, ports, and airports are quoted per project.

Yes — SMC is non-conductive, so a cover can sit directly over live electrical and telecom runs with no risk of carrying current. The light weight also lets one technician open and reset frequent-access duct chambers. See the SMC series for material detail.

Both. Order a composite cover plate to drop into an existing cast-iron frame, or a complete frame-and-cover set for new builds where sealing and fit matter most. We can match your existing clear opening or build to your drawing.

Yes. We mold to custom sizes, shapes, colors, and load classes, and cast your logo or brand name into the cover surface — common for utilities and distributors. Send drawings or a sample for a tooling quote and lead time.

By load class, size, quantity, color/OEM marking, and sealing and locking options, with better unit pricing on full-container orders. Send your size, load class, and quantity for a quote. Pair covers with a cover lifter to ship complete.

30+ countries since 2019, with the Middle East as our core market and growing volume across Africa, Asia, and Europe. We handle full-container loads, documentation, and sea-freight packing. Ask for project references near you.