Tomorrow the Wisconsin chapter of CFI is having a custom stair class. We are pleased to have champion installer Kevin Twohig sharing his expertise. Com to EJ Welch W126N8652 Westbrook Xing, Menomonee Falls, WI 53051 At 9:00 am to learn and practice skills that take many years to perfect. Such as curved steps, bull-nose steps, mitered runners and much more.