(815) 388-3561 genexmchenry@gmail.com

The Roofing Experts

Welcome to Gen-Ex.com. Home of General Exterior Construction.
We are a self-owned licensed, bonded, and insured roofing contractor located in McHenry, IL.

Our company prides itself on it’s upmost professionalism delivered on each and every job.
We go the extra mile to ensure that every step of your exterior project is completed correctly the first time.

Our experience gives us the knowledge to tackle any residential job we take on.
From repairing to replacing roofs we follow strict safety and protocol guidelines ensuring the job is done right.

Gen-Ex works hand in hand with our customers so we can complete our job to the customers upmost satisfaction. To make sure every step of your roofing project is completed correctly Gen-Ex creates and follows extensive check list’s made specifically for your home leaving no stone unturned.

Our employees are highly trained clean cut professionals working hard to support their families. Employees are identified w/ blue Gen-Ex T-shirts so you can be assured that everyone on your property works for our company. Gen-Ex is a Drug Free Work Environment,

making sure that our workers are at their best on every rooftop in this hazardous profession.

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



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