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Hamilton Kent produces a variety of pavement and bridge joint seals that are used extensively across North America. Additionaly, we offer bearing pads used under bridge and parking structure sections, helping to reduce the vibration made from vehicular traffic and to protect the strucutre from damage.
Solving I/I: A new approach to manhole remediation
In this webinar, Henry Flattery looks at how municipalities can solve inflow and infiltration problems at the top of the manhole with Hamilton Kent’s newest product, the Lifespan System.
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Available Products
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The Lifespan System®

The Lifespan System® is a watertight, corrosion-proof, non-conductive, locking rubber manhole frame and cover system that prevents rain derived inflow from entering sanitary sewers through the top of the manhole.

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Pavement Seals
Hamilton Kent offers a broad spectrum of designs of rubber pavement seals for use in expansion joints for roads and highways.
Solve infiltration problems caused by traditional manhole covers
Find out how to eliminate inflow and infiltration through manhole covers and frames, how to increase connection capacity and save money by not conveying and treating unnecessary water.
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The City of Naperville puts the plug in inflow and infiltration
Naperville’s traditional cast iron manhole covers wouldn’t seal. The Lifespan System helped eliminate inflow and infiltration. Download the case to read more.
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Related Resources
The Lifespan System®
Fact Sheet
HK News & Events
Lifespan Gets an "A" from TRA
The Lifespan System® received an "Accepted for Use" designation from The Road Authority in Ontario, Canada.
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Tel: 1 800 268 8479
Fax: 1 888 674 6960
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