The Manhole Adjustable Riser is a patented system of interlocking cast-iron sections
which bolt together to form a custom-sized manhole riser which fits into the original
ring and raises the manhole cover to the level of the new surface.
Manhole Adjustable Riser Co. provides municipal and utility lid risers for gas, water, sewer, electrical and telephone valves. We custom build each manhole riser and utility riser out of durable cast iron to meet your specifications.
Manhole Adjustable Risers are:
Manhole Adjustable Riser Company will supply completely assembled manhole risers and utility risers, ready for installation!