Koch Waterproofing Systems (2002) Koch Waterproofing Systems (2002) from Mike Stepansky Koch Waterproofing Systems (2002) Koch Waterproofing Systems (2002) gLike Koch Waterproofing Systems (2002) Koch Waterproofing Systems (2002) Exhibit Design Share R 7 n Mike Stepansky Seeking full-time 3D graphic designer / animator Chicago, IL Follow Contact