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I/I Barrier
The I / I Barrier is designed to stop water from leaking into your Manholes through the grade rings. Many tests have proven that an excess amount of ground water is being infiltrated in through septic systems, which causes more water to be processed in the treatment plants. This in turn costs municipalities more and more money when it rains or when the snow melts. The I / I Barrier is made of polyethylene which is weather and puncture resistant. The I / I Barrier forms an interior wall that stops water from infiltrating into the manhole.
Click here for more information about the I/I Barrier (4 Page PDF)
Cut the I / I Barrier to the desired height
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Set on and Seal to the Cone
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Add Grade Rings to Desired Height
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Place Manhole Frame
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