WHIRLYGIG

Whether replacing an old manhole riser installation or working on a new project, the Whirlygig system is for you!... Whirlygig is a revolutionary method of manhole riser/collar installation. It is size accurate, installed in minutes and leaves no doubt about quality control. Cast-in-place on site, our manhole riser/collar system is ideal for new construction or rehab projects... Manhole risers, designed and manufactured by Whirlygig, are derived from a revolutionary method and patented process designed for numerous applications.

Primary location: Boise United States