Thread: Wall Project
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Old 10-05-2012, 07:12 AM
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Originally Posted by Red Shed Landscaping View Post
I was wondering about the drainage chimney. When you use geotextile, do you wrap the gravel bringing it to the block or fold over the soil when coming to a grid layer? I was thinking about this and was wondering if the extra fabric will lessen the effectiveness of the grid since some of it is not in contact with the soil or rock below?
I dont know if this is a clear answer, but the engineer has us install the fabric in the shape of a "C", with the open part of the "C" facing the back of the block.

And as far as effectveness - I honestly have no idea. See, with this wall, in some places the grid was 10' long and the drainage chimney was no more than 24", so it's my unfounded personal opinion that the grid still did it's job.

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