(815) 388-3561 genexmchenry@gmail.com


Any business owner knows that a problem can get out of hand quickly. When your roof leaks it causes problems with customers or tenets, damage inventory, and can lead to bigger problems down the line. Getting a leak fixed quickly is all about knowing the right people. Gen Ex we work hard to ensure that all issues are fixed and done right.

We can handle multi-structure properties and can help you with any roof that you need. It doesn’t matter if you’re a restaurant, retail store, or a mall, if you have a small building or a huge complex, we can help.

For over 15 years Gen Ex has been working with business and property owners to keep the rain out. No project is too big or too small for us to handle. When you call us we will give you a same-day quote for what you need. Our hard work and customer service is what helped us achieve an A+ rating with the Better Business Bureau. Fully licensed and insured, you can be sure that you’re going to have the job done right when you go with Gen Ex.

Commercial Roofing Projects

Contact Us

Gen Ex General Exterior Construction

McHenry, IL 60050

(815) 388-3561
Fax: (815) 648-1810

BBB Accredited

General Exterior Construction BBB Business Review


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
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