In French drain systems, the void spaces between drainage stone are essential for water to flow freely to the perforated pipe; however, dirt migrating into these voids would block water flow and reduce system performance. The fully encapsulated stone and fabric system, using double-punched nonwoven geotextile filter fabric, prevents dirt from entering the stone while allowing water to pass through, ensuring long-term drainage effectiveness.
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This Hidden Layer Is Key to Our SuccessAdded:
where the stone is going to stop.
We're going to run drainage stone past the perforated pipe a little bit. We pocketed this enclosed system cuz you got to remember, we're going to have this system fully encapsulated with the non-woven geotextile filter fabric. We don't want the dirt to migrate into the stone. We need the voids between the stone to take in all the water to get it to the perforated pipe. A lot of people have a hard time understanding that.
The non-woven geotextile filter fabric that's double punched is a key part of our success.
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