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Step 1 - GCI 400 Series 4 oz. non-woven fabric lines the drainage trench behind a 3’ motared, chop block retaining wall.
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Step 2 - Aggregrate is added to the trench under and around a 4” drain pipe with sock.
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Step 3 - Trench is backfilled till pipe is covered. |
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Step 4 – GCI 400 Series is overlapped and secured with GCI Stick Pins (6”x 1”x 6”, 11 gauge staples).
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Step 5 - Small aggregate is used to fill gaps between the wall and drain.
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Step 6 - Large aggregate, demoled from the job is used as filler. |
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Step 7 - Area is backfilled and compacted in preparation for flagstone top.
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Patio complete with flagstone top
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