Super Resistance

Superior Flexibility

3X More Durable

10X Stronger

70% Lighter

Innovative FRP covers with exceptional load-bearing capacity and corrosion resistance, designed to endure harsh environments and weather conditions.

  • JAM Square Sentinel Manhole Plates

    Available sizes — 6 inches to 30 inches
    Crafted with precision and built to last these FRP composite covers provide superior load-bearing capacity and exceptional resistance against corrosion, ensuring long-lasting performance in diverse applications.

  • JAM Round Sentinel Manhole Plates

    Available sizes — 6 inches to 24 inches
    Engineered with advanced composite materials for unparalleled performance. Designed with precision and built to withstand heavy loads, these FRP covers boast high tensile strength, dimensional stability, and remarkable resistance to corrosion and environmental stresses.

  • JAM Rectangular Sentinel Manhole Plates

    Available sizes — 6 inches to 24 inches
    Engineered with advanced composite materials for unparalleled performance. Designed with precision and built to withstand heavy loads, these FRP covers boast high tensile strength, dimensional stability, and remarkable resistance to corrosion and environmental stresses.

Why Opt for JAM Sentinel Manhole Plates

  • JAM Sentinel Manhole Plates boast a remarkable strength-to-weight ratio, exceeding that of traditional metal alternatives. The advanced composite materials used in their construction, such as glass fiber rovings and specialized resins, provide exceptional strength while significantly reducing the overall weight. This lightweight advantage not only simplifies installation and transportation but also minimizes the burden on supporting infrastructure, making JAM Sentinel Manhole Plates an ideal choice for projects where weight reduction and durability are paramount.

  • Unlike traditional iron manhole covers that have inherent scrap value, JAM Sentinel Manhole Plates are non-metallic and offer no resale value, making them a theft-resistant solution for critical infrastructure. These FRP plates provide a cost-effective alternative, safeguarding against theft and reducing the risk of unauthorized access to underground utilities. Their non-metallic composition eliminates the incentive for theft, ensuring your infrastructure remains secure and protected.

  • JAM Sentinel Manhole Plates boast a sleek and modern design, adding aesthetic value to urban landscapes. Crafted with precision and attention to detail, these FRP plates seamlessly blend into their surroundings, enhancing the overall appearance of streets and pavements. Their smooth and visually pleasing finish ensures that they do not compromise the aesthetics of public spaces, making them an ideal choice for cities and municipalities looking to maintain a clean and attractive urban environment.

  • JAM Sentinel Manhole Plates exhibit exceptional strength due to their advanced Fiber Reinforced Polymer (FRP) composition. The incorporation of high-quality glass fiber rovings and specialized resin with additives results in a robust composite material. The unique manufacturing process, combined with a braided rib design, enhances the plates' ability to distribute and withstand heavy loads efficiently. As a result, JAM Sentinel Manhole Plates offer superior load-bearing capabilities, ensuring long-lasting durability and structural stability even in challenging conditions.

  • JAM Sentinel Manhole Plates are engineered using innovative Fiber Reinforced Polymer (FRP) technology, making them inherently resistant to rust, corrosion, and rot. The composition of high-quality glass fiber rovings and specialized resin with anti-corrosive properties ensures exceptional protection against environmental elements and chemicals. Unlike conventional metal options, FRP provides a non-metallic, non-corrosive solution, eliminating the risk of rust formation and subsequent deterioration over time. This rustproof characteristic ensures the longevity and reliability of JAM Sentinel Manhole Plates, making them ideal for a wide range of applications, including in harsh and corrosive environments.