Roofing Contractor in Marengo, IL
Trusted roofing, siding, and gutter contractor serving Marengo and western McHenry County. Free inspections and honest estimates.
Marengo's Trusted Exterior Contractor
Gen Ex Construction serves Marengo homeowners from our office in McHenry. We are an established local team, not storm chasers who disappear after the job. Every inspection is free, and we never pressure you into signing before you know what your insurance will cover.
Marengo mixes older homes near downtown with newer subdivisions on the edges of town. Older homes are often ready for new siding, gutters, or a full tear-off. Neighborhoods like Deerpass, Deerpass Greens, and Bauman were built from the mid-1990s through the 2000s, so many of their original roofs are now reaching the end of their lifespan.
Built for Open-Country Wind and Hail
Marengo sits in open farmland about 60 miles northwest of Chicago, and many neighborhoods have wide lawns with few trees to block the wind. Storms rolling across the fields hit these homes at full strength, lifting shingles, cracking siding, and bruising roofs with hail. The damage is often on the side facing the storm and hard to spot from the ground.
We inspect closely, document everything for your insurance claim, and back every project with our 10-year workmanship warranty. We also serve nearby Huntley, Woodstock, and Crystal Lake.
Why Marengo Homeowners Choose Gen Ex Construction
- A+ BBB Accredited and Google Guaranteed for verified, trustworthy service
- GAF Certified Plus and Owens Corning Preferred Contractor
- Over 15 years of hands-on experience across McHenry and Lake County
- 24-hour emergency service for active leaks and storm damage
- Insurance claim support, from documenting damage to meeting your adjuster
- No-pressure estimates with every detail spelled out upfront
Our Marengo Exterior Services
Storm & Hail Damage Repair
We inspect for hail bruising, lifted tabs, and loose fasteners, then document the damage and work directly with your adjuster.
Roof Replacement & Repair
GAF architectural shingles installed to stand up to open-country wind, with new underlayment and ventilation.
Siding Installation
Durable vinyl and engineered siding that resists wind, cracking, and Marengo’s temperature swings.
Gutters & Soffit
Seamless gutters sized for heavy rain, plus soffit and fascia replacement to protect your roofline.
Marengo Roofing FAQs
How do I know if hail damaged my Marengo roof?
Look for dents on gutters, vents, and downspouts, granules collecting at the bottom of downspouts, and dark spots where shingles have been bruised. Much of the damage is not visible from the ground, so a free inspection is the safest way to know.
Will my insurance cover a new roof after a storm?
It depends on your policy and the extent of the damage. We document everything with photos, meet with your adjuster, and help you understand what your policy covers before you commit to anything.
My home was built in the late 1990s. Do I need a new roof?
Many roofs from that era are now 25 years old or more and close to the end of their life. If you see curling, cracked, or missing shingles, schedule a free inspection and we will tell you whether repair or replacement makes sense.
Do you offer emergency roof repair in Marengo?
Yes. We provide 24/7 emergency service for active leaks and storm damage to protect your home until permanent repairs are complete.
Do you serve areas near Marengo?
Yes. We serve homeowners across McHenry County, including Huntley, Woodstock, and Crystal Lake.
