About Us

Company Overview

Lange Containment Systems Inc., commonly known as LCSI, is a premier fabricator and installer of geomembranes and other geosynthetic liners. Based out of Denver, Colorado, USA, this Global Cover and Liner Inc.® company produces only the highest quality containment products and prides itself on the service and personalization that sets it apart from its competitors.

Industry Experience

LCSI has fabricated and installed more than 145,000,000 square feet of liner systems all over the world. We have completed work throughout the USA, South America, Central America, Asia, and even Antarctica. Our management team has over 100 years of combined experience in all facets of the business, in all corners of the globe.


At LCSI, safety is our number one priority—both for our staff and our customers. Our installers are certified by the International Association of Geosynthetic Installers (IAGI). We undergo regular training to ensure that only safe practices are used in the fabrication shop and in the field, helping to keep you, your business, and your containment investment safe.


LCSI is committed to improving the environment through its own internal initiatives. Our key environmental objectives include:

  • Conducting our business in an environmentally responsible manner
  • Minimizing environmental risks by employing safe operating procedures
  • Reducing the amount of waste generated in the office, as well as in the field