Do The Holes On Perforated Pipe Go Up Or Down? [Solved]

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Do The Holes On Perforated Pipe Go Up Or Down? [Solved]

If you’re installing a half-perforated pipe, such as half perforated twinwall, this is where the problem comes into question; whether the perforations are best facing upwards or downwards? Contrary to popular opinion, the most effective method is to have the holes facing down.

FRENCH DRAIN, HOLES POINT DOWN - Here’s Why

Perforated pipe

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Which Way Do The Holes On Drain Pipe Go?

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