: Im building a new home and would like some info. on installing a perimeter drain with flexible perforated tubing.George, check out Advanced Drainage Systems, Inc., Advan-Edge. This is a flat polyethylene perforated pipe that is about 1.5 inches thick by either 12 or 18 inches wide in rolls that are 100 feet long. The pipe is wrapped with a tough geotextile and is a gravelless alternative to the conventional method of perimeter drainage.
