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![]() J-DRain 302 Consists of a heavy-duty, high-density polyethylene geonet drainage core with its ridges heat fused to a layer of non-woven filter fabric on the front and back sides providing drainage and filtration from both sides. The filter fabric retains soil or sand particles as well as freshly placed concrete or grout, allowing filtered water to pass through to the drainage core. Visit Installation Instructions & Details or Product Data Sheets & Specifications for more info. NES evaluated. Report No. NER-636 |
![]() J-DRain 400 Consists of a moderate-duty impermeable polymeric sheet cuspated under heat and pressure to form a high-flow dimpled drainage core. The core is then bonded to a layer of non-woven filter fabric. The filter fabric retains soil or sand particles as well as freshly placed concrete or grout, allowing filtered water to pass into the drainage core. |
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