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Perforated drainage pipes work due to the holes installed inside them. Find out about how perforated drainage pipes work with help from a construction professional in this free video clip.

Expert: Nicholas Iarocci
Filmmaker: MIKE IANNUZZI

Series Description: Home improvement will help keep both the inside and outside of your home looking as good as possible at all times. Get tips on home improvement with help from a construction professional in this free video series.