
Understand the link between poor ironwork installations and pothole creation in our new whitepaper. Potholes - More than a surface issue Get your copy Legendary size Hercules™ manhole covers When it comes to covering large chambers in Group 4 trafficked environments, steel access covers often fall short. Meet the Hercules range - a durable, ductile iron solution that provides reliable access to clear openings up to 1.2m x 1.2m. Manufactured to meet the most stringent specification standards for highway ironwork projects in D400 Group 4 environments, Hercules is your go-to choice for heavy-duty performance and long-lasting reliability. View products Unmatched Benefits for Contractors The Hercules range is engineered with the contractor in mind, offering a host of features that streamline installation and maintenance: Double triangular covers indexed for correct orientation during fitting Secure inspection window, eliminating the need for cover removal Threaded lifting eye for safe and easy mechanical lifting Anti-flex covers to prevent seating wear and catastrophic failure Enlarged frame corners for optimal load dissipation and reduced bearing pressures Suitable for large chambers with clear openings up to 1.2m Designed for large chambers Hercules Hercules manhole covers Our Hercules range of products have been designed as the ideal solution when a very large manhole cover is required for a D400 group 4 environment. A variety of options and accessories Suit your needs The Hercules range offers a variety of options and accessories to suit your specific needs: Ventilation holes for improved air circulation Enhanced anti-slip coating for increased safety Sealing plates for a watertight fit Safety grilles for added protection Compatible with the GritBlocker™ anti-blockage keyway, preventing debris buildup and ensuring easy lifting key insertion Certified quality and safety We prioritise health and safety in all our solutions. The Hercules range fully complies with BS EN 124 and proudly carries the BSI Kitemark. With UKAS-accredited third-party certification (70+PSVR tested), you can trust in the quality and performance of our products. Contact us Whether you are looking for live project support, or are in the initial stages of specification, we are always on hand and happy to help. Share this page

Understand the link between poor ironwork installations and pothole creation in our new whitepaper. Potholes - More than a surface issue Get your copy

Legendary size

Hercules™ manhole covers

When it comes to covering large chambers in Group 4 trafficked environments, steel access covers often fall short. Meet the Hercules range - a durable, ductile iron solution that provides reliable access to clear openings up to 1.2m x 1.2m.

Manufactured to meet the most stringent specification standards for highway ironwork projects in D400 Group 4 environments, Hercules is your go-to choice for heavy-duty performance and long-lasting reliability.

View products

Unmatched Benefits for Contractors

The Hercules range is engineered with the contractor in mind, offering a host of features that streamline installation and maintenance:

Double triangular covers indexed for correct orientation during fitting
Secure inspection window, eliminating the need for cover removal
Threaded lifting eye for safe and easy mechanical lifting
Anti-flex covers to prevent seating wear and catastrophic failure
Enlarged frame corners for optimal load dissipation and reduced bearing pressures
Suitable for large chambers with clear openings up to 1.2m

Designed for large chambers

Hercules

Hercules manhole covers

Our Hercules range of products have been designed as the ideal solution when a very large manhole cover is required for a D400 group 4 environment.

Inspection window on Hercules manhole cover

A variety of options and accessories

Suit your needs

The Hercules range offers a variety of options and accessories to suit your specific needs:

Ventilation holes for improved air circulation
Enhanced anti-slip coating for increased safety
Sealing plates for a watertight fit
Safety grilles for added protection
Compatible with the GritBlocker™ anti-blockage keyway, preventing debris buildup and ensuring easy lifting key insertion

Certified quality and safety

We prioritise health and safety in all our solutions. The Hercules range fully complies with BS EN 124 and proudly carries the BSI Kitemark. With UKAS-accredited third-party certification (70+PSVR tested), you can trust in the quality and performance of our products.

Contact us

Whether you are looking for live project support, or are in the initial stages of specification, we are always on hand and happy to help.

Share this page