Exclusive Manufacturers of the
Pivoted Turnbuckle Manhole Riser
The Most Efficient and Powerful Expanding Riser on the Market. Riser Heights start at 3/4” and go up in 1/4” increments.
Read Our Success Stories
American Highway Products
Founded in 1978, American Highway Products Ltd. manufactures the highest quality manhole riser products, including the Pivoted Turnbuckle Manhole Riser, the most powerful expanding manhole riser available today. We also manufacture catch basin/inlet risers and a compression water/gas box riser. Our manhole safety ramp and safety ramp protect motorists during road construction projects. The Flex-O-Ring rubber adjusting ring reduces traffic vibration into the substructure and reduces infiltration. American Highway Products offers sealing products to stop rattling lids and seal them. We also have the I.D. Locator, which is used to locate utility lids when paving streets.
Serving the Industry Since 1978
Overview of Products
Pivoted Turnbuckle Manhole Riser
The Most Efficient, Powerful, Expanding Riser on the Market. The Manhole Riser will reduce your resurfacing costs. Our Manhole Risers are famous for having a quick and powerful expanding pivoted turnbuckle. One Day Service Available!
Inclined Manhole Riser
Now you can RAISE and TILT the manhole cover to match the paved surface. Our Inclined Adjustable Manhole Riser Rings feature a turnbuckle linkage pivoted at each end to provide the ultimate means to expand a manhole riser.
Catch Basin / Inlet Riser
Don’t leave your Catch Basin grates low, creating a pot hole when you can bring them up to grade quickly, efficiently and reliably using our Catch Basin Risers – designed to your specific job specifications.
Valve Box Riser
Our patented Gas Valve Risers and Water Valve Risers come with American-made quality you have come to expect from all of our products. Installation couldn’t be simpler, and they are extremely durable.
Manhole Safety Ramp
A cost effective reusable solution for protecting exposed manholes. It has a gradient design that provides smooth riding while guarding the riser. It has a grip tight design that installs easily, and it eliminates the need for cold patching.
A reusable alternative to cold patch temporary ramps on non-interstate roads up to 55mph. Allows smooth, safe passage for motorists over transverse milled edges, steel utility plates, end of day joints, and at bridges.
Rubber Adjusting Ring
The revolutionary Rubber Adjusting Ring will eliminate noise and vibration while providing a watertight seal. It will also protect the substructure from damage. Installation is quick and easy. Each ring comes with a 3 year warranty.
Sewer Lid Seal Kit
This product will eliminate lid vibration and reduce moisture penetration. It provides a reliable long lasting gasket between lid and casting and seals manhole lids, gate valve box lids and underground vault lids from debris and moisture penetration.
This small Utility Locator adheres to any surface and pops-up after being paved over with up to 5 inches of asphalt for quick locating and identification. Easily mark all types of sewer, water, gas, electric, or telephone covers under freshly paved asphalt.
What real users say
Jonathon Sprague, P.E.
St. Louis Sewer District
Speaking about our Pivoted Turnbuckle Manhold Riser
“We’re saving a lot of time and eliminating callbacks.“
United Contractors Midwest
Commenting about American Highway Products’ Safety Ramps
“Labor savings compared to the old method is tremendous.“
Bigane of Chicago
Speaking about our Pivoted Turnbuckle Manhole Riser