Hamilton Kent

Hamilton Kent

Hamilton Kent is a company that knows underground infrastructure. Hamilton Kent is a multinational manufacturer and distributor of resilient-rubber, watertight, sealing systems and components. Our products make infrastructure projects more watertight, more durable, more sustainable and less expensive to maintain. International manufacturer of pipe and manhole gaskets, flexible pipe-to-manhole connectors, and The Lifespan System, a watertight, non-corrosive, rubber manhole frame and locking cover system designed to eliminate surface water inflow.

Company details

77 Carlingview Drive , Toronto , Ontario M9W 5E6 Canada
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Business Type:
Industry Type:
Pipes and Piping
Market Focus:
Globally (various continents)
Year Founded:


Who We Are
With locations in Toronto, Ontario and Winchester, Tennessee, Hamilton Kent is a multinational manufacturer and distributor of resilient-rubber, watertight, sealing systems and components. Focusing primarily upon seals for use with infrastructure pipe systems, we provide a complete package—from design and development, through production and testing, to warehousing and shipping.

As an ISO 9001:2000-certified company, quality permeates throughout all aspects of Hamilton Kent. The proof of Hamilton Kent’s commitment to quality lies in the numerous approvals that we have received from both national and international organizations, such as ASTM, CSA, UL, NSF, BS, DOT and AWWA.


Our custom manufacturing facility provides a diverse selection of molded and fabricated rubber products such as solar heating panels, industrial grade door seals, ladder foot-inserts, belt-guides, joint wraps, transformer seals and many, many more. Engineering and design assistance from our technical department is readily available when your special need arises.

For the pipe producer, Hamilton Kent offers an extensive line of gaskets—from simple o-rings to patented, pre-lubricated profile gaskets, such as the TyloxR SuperSeal. Hamilton Kent also has an extensive array of butyl-sealants, pipe joint lubricants, pipe plugs and other pipe related products.

For the manhole and/or structure producer, Hamilton Kent offers not only a variety of riser sealing products, but also a wide selection of pipe-to-structure connectors, for both cast-in or cored/formed hole processes. We are also the exclusive North American supplier of The Lifespan System, a watertight, corrosion-resistant manhole access frame, cover and adjustment-ring system.

For civil engineering applications, Hamilton Kent produces a variety of expansion seals for bridges and pavement.


Compression Molding
Hamilton Kent’s compression mold department utilizes a bank of 18 presses, with pressure ranges from 50 Tons to 650 Tons and platen sizes from 18” x 18” to 42” x 42”.

Hamilton Kent has 4 extrusion lines, 3 with micro-wave/hot-air curing and 1 with salt bath curing. Utilizing single or dual-head extrusion techniques, HK’s extrusion department can produce continuous strip, in single or dualdurometer format, at up to 250Kg per hour and up to 13” wide profiles.

Once a rubber product has been molded or extruded, Hamilton Kent’s fabrication department isable to offer a number of finishing services to ensure you receive the product to your specification.

Injection Molding
Hamilton Kent’s Injection Mold department utilizes Five machines, with up to 400 Ton clamping force and mold sizes up to 32”x32”x10”, with volume capacity up to 366 cu.in.

As well as offering a selection of standard compounds, Hamilton Kent, utilizing its in-house compound development group, is able to formulate rubber compounds to meet the physical properties required by your specific application. Typical “standard” compounds include, but are not limited to:

  • Polyisoprene Rubber (IR)
  • Ethylene Propylene Diomene Monomer (EPDM)
  • Chloroprene / Neoprene (CR)
  • Nitrile / Buna (NBR)
  • StyraButadiene (SBR)