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Should Perforated Pipe Face 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.
How Does Perforated Drainage Pipe Work?
How Does
How Does Drainage Pipe With Holes Really Work?
We put a camera and some led lights together to show you how
FRENCH DRAIN, HOLES POINT DOWN - Here’s Why
Perforated pipe
