Several large cities, including Portland, are rehabilitating mainlines with the cost-effective and time saving technology of thePerma-Liner Manhole Rehabilitation lining system. The liner is a unique one-piece liner made to fit all manholes including barrel sections, eccentric and concentric cones constructed of brick and mortar, pre-cast or block. The Perma-Liner Manhole Rehabilitation system can reline chimney or full-depth manhole. Manhole lining eliminates infiltration and inflow through manhole walls. Portland call Perma-Liner to learn more! Our toll free number is 866-336-2568 or check out our website at www.perma-liner.com.
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