Drain Lining Los Angeles. There is a huge market for drain lining in Los Angeles. The Perma-Lateral Pull In Place drain lining system requires two access points, making this system 100% trenchless. Do not risk damage to your Los Angeles property. The picture below is a drain lining demonstration Perma-Liner put on last week. If you live in Los Angeles and are interested in becoming a Certified Perma-Liner installer, call us to add drain lining to your services.