The manhole shield package from Eull’s Mfg. includes concrete grade rings, underground mortar, masonry shim strips and impermeable I/I barrier for correct installation. The grade rings allow for precision leveling. The polyethylene I/I barrier is puncture-resistant and prevents moisture and sediment from infiltrating the manhole. The underground mortar is durable through the freeze/thaw cycle, while high-impact plastic shims enable every concrete ring to serve as a slope ring for precise manhole leveling. 763/497-2742;


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