The Quadex SpinMaster robotic manhole lining process provides an easy, cost effective and highly productive means of applying cementitious manhole liner materials. The SpinMaster also effectively reduces exposure to the hazards typically associated with confined space manhole entry.

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The Quadex SpinMaster utilizes a patented centrifugal spin casting mechanism to apply a uniform cementitious liner to the interior surface areas of existing manholes. Positioned in the center of the manhole, the SpinMaster applicator is raised and lowered into the manhole via an electric winch. The controlled retrieval speed of the SpinMaster facilitates the uniform application of materials over the full circumference of the manhole. The retrieval speed and /or number of passes can be varied to provide a liner thickness ranging from 1/2 to 3 inches.

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