The Marmox Manhole Cover B-125

The Marmox Manhole Cover B-125

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Made to order

The Marmox Manhole Cover B 125 is a medium duty composite GRP manhole cover engineered to strictly satisfy European standard BS EN 124 Class B 125.

غطاء غرفة تفتيش مارموكس 12.5 طن

Technical Property

Official Certified Value

Engineering Benefit

Load Class

B-125 according to BS EN 124

Certified to bear medium vehicular loads up to 125 kN (12.5 tons)

Material Composition

Glass-Fiber Reinforced Polymer (Composite GRP)

Lightweight construction combined with high structural strength

Chemical Resistance

Immune to H2S gas, acids, alkalis, and salts

Zero corrosion and degradation in moisture and sewage environments

Anti-Theft Property

Non-recyclable composite material

Completely eliminates theft risk associated with scrap metals

Thermal & Electrical Insulation

Non-conductive and thermally stable

Ensures maximum safety in pedestrian areas and utility chambers

B-125 Marmox Manhole Cover

  • Medium Duty Capacity: Tailored for passenger cars, light commercial vehicles, and high-footfall pedestrian zones.

  • Zero Scrap Value: Prevents theft and vandalism due to non-metallic composite composition.

  • Lightweight Handling: Allows quick, single-person lifting and maintenance with minimal physical effort.

  • Odour & Noise Control: Precision-molded frame design seals unpleasant odors and suppresses rattling under vehicle wheels.

  • Weather & UV Resistance: Exceptional long-term durability against UV rays, harsh chemicals, and heat exposure.

  • Car Parks & Driveways: Private garages, residential parking areas, and light vehicle driveways.

  • Pedestrian Walkways & Pavements: Footpaths, public plazas, and sidewalks.

  • Residential Compounds & Resorts: Utility manholes and inspection chambers across housing projects and hotels.

  • Landscape & Gardens: Covering irrigation manifolds and drainage chambers within green spaces.

  • Chamber Neck Preparation: Ensure the concrete chamber head is clean, structurally sound, and level.

  • Bedding Mortar: Apply a uniform layer of non-shrink high-strength bedding mortar over the chamber top.

  • Frame Alignment: Set the composite frame firmly into the mortar, aligning it perfectly flush with the final tile/interlock level.

  • Cover Seating: Place the cover into the frame, verifying proper seating to avoid movement under light traffic.

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