1. Better drainage than the old pipe & stone french drain system
80% open are vs 1-3% open area for perforated pipe
No concerns about aggregate quality, % fines, etc.
Over 30 gal/min/lf of width flow capacity
2. Lower installation costs
6" Strip drain vs a 4" pipe, 12" of gravel & geotextile fabric wrap
Faster installation, usually 50% or more
Less excavation - 3" x 12" compared to 12" x 12" trench
Labor costs drastically reduced
No scheduling or waiting for gravel trucks
3. Makes install time fast and easy
Easy to handle flexible, lightweight rolls
Customized connectors that fit into 4" pipe
No heavy equipment required
No wheel-barreling of gravel for hard to reach projects