License Contact Us Gen Ex General Exterior Construction McHenry, IL 60051 (815) 388-3561 Fax: (815) 648-1810 genexmchenry@gmail.com BBB Accredited Hours 24/7 Emergency Service Normal Business Hours Monday 8:00 AM – 5:00 PM Tuesday 8:00 AM – 5:00 PM Wednesday 8:00 AM – 5:00 PM Thursday 8:00 AM – 5:00 PM Friday 8:00 AM – 5:00 PM Saturday Closed Sunday Closed