(815) 388-3561 genexmchenry@gmail.com

Residential Services

Helping to keep the roof over your head perfect.

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When it comes to your roof, getting things done right is incredibly important.
You can rely on Gen-Ex to be your residential roofing specialist in McHenry, IL. Whether your roof needs minor repairs or a total replacement Gen-Ex has the necessary tools and experience to provide superior results.
A new or repaired roof adds value to your home and increases its curb appeal.
A small leak or missing shingles might seem like a reasonable project to try on your own, but you may miss something that will lead to a bigger (and more expensive) problem. In addition, there are safety risks in trying to repair or replace a roof yourself. Working on roofs and hauling materials up and down ladders is dangerous if you’re not experienced. We have the equipment to perform the job safely and efficiently.

There are specific things to look for when questioning if your roof needs repairs or a replacement.
If your roof is over 20 years old, it’s most likely time for a replacement. Cracked or missing shingles, as well as curled shingle edges, are also signs that you should call us. Weather weakens materials causing leaks, mold, and rot. Gen-Ex values any roofing project, no matter how big or small and we go the extra mile to ensure that your project is completed correctly the first time.
Customer satisfaction is our goal which is why we offer a 24-hour emergency hotline and a guarantee on all labor. Call us today at (815) 388-3561 to get your residential roofing project started.

Transform your home with new siding from Gen-Ex. Not only does fresh siding increase your home’s curb appeal but it also adds value, can decrease energy bills, lower chances of fire damage and make your home more weather-resistant. Installing new siding on your home or business can be a stressful process. Our experienced Gen-Ex staff is detail oriented and will answer any questions you may have. Consider new siding installation if your current siding has a lot of cracks/dents, is warped, has been severely damaged by weather or has mold/mildew. We understand how important your home is to you and use the same care and attention on your project that we would use on our own homes. Trust Gen-Ex’s home professionals to complete your siding project safely and efficiently. Call us today at (815) 388-3561.

Route water away from your home and eliminate clogging and with Gen-Ex quality gutter solutions. Gutters serve a key function in keeping water away from the foundation of your property. Gutters can be damaged in many ways including high winds, clogs, and debris. If you’ve discovered that your gutters don’t drain like they should, give our Gen-Ex experts a call at (815) 388-3561. Whether you need your gutters repaired or a new set installed we have the skills and equipment necessary to provide you with a stress-free residential project.

The soffit is the board that bridges the gap between a home’s siding and its roofline.This means they are the first thing to be damaged by water if the home’s gutters become clogged. Water gets in behind the soffit and damages the wood from the backside, causing wood rot and paint damage. If the leak is substantial enough, water can travel past the soffit into the exterior wall of the home and cause damage to drywall, insulation, sheathing, and framing. Moisture inside the wall not only causes expensive damage but invites termites and carpenter ants to feed on the moist wood, worsening the problem. Once the soffit is rotted out the wood must be torn out and replaced. Gen-Ex takes the pain out of gutter and soffit repair and installation. Our licensed and insured professionals will answer any questions you have and make your residential project a breeze.

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
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