Caswick Manhole Step Irons, Ladders, and Sealant

Caswick personal service, industry knowledge and responsiveness are why customers choose every time. We’re a private, family-run business. We’re small enough to care and large enough to work with major industry players.

Water companies, private developers and highway agencies use our products, because they can trust us to find smarter solutions to their problems. When you buy Caswick, you’re buying direct from the manufacturer.

Caswick Manhole Step Irons

Caswick offers a wide range of steps suitable for precast manufacturers or installation on site. Our steps are fully encapsulated and available with carbon or stainless steel reinforcement.


Caswick ladders are designed to provide personnel access and egress to underground structures, and to give safe access to precast underground manhole chambers.

Sealant Strip

Caswick sealants have been used in the construction industry for many years, establishing an excellent reputation for longevity and offer advantages over alternative sealants.

Caswick Product :

Manhole Step Irons

  • Step for concrete:  Ideal for fitting into new and existing concrete
  • Step for brick: Suitable for fitting into new and existing brickwork
  • Bolt-through Steps: Designed for thin wall, plastic and steel manholes


  • Modular Ladders: Flexible, cost-effective and durable
  • Integrated Ladders: Additional polypropylene for extra support

Sealant Strip

  • Bitumen Sealant Strip: A combination of bitumen rubber and mineral fibre which gives good adhesion to a dry, dust free concrete surface and a watertight seal.
  • Butyl Sealant Strip: Similar to bitumen but the butyl rubber gives a “softer” strip with a wider workable temperature range.

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