Roofing Contractor in Johnsburg, IL
Roofing, siding, and gutter replacement for Johnsburg homes from a team based right next door in McHenry. Free inspections.
Johnsburg Roofing & Exterior Experts
Johnsburg is our neighbor. Gen Ex Construction is based in McHenry, just minutes away, and we treat every Johnsburg home like it is on our own street. We offer free, no-obligation inspections and honest advice, and we will never pressure you into a contract before you know what your insurance will cover.
Johnsburg homes fall into two main groups. Waterfront and older homes along Pistakee Lake and the Chain O’Lakes, in areas like River Terrace, have roofs and siding that have taken decades of weather off the water. Newer subdivisions like Chapel Hill Estates, Johnsburg Farm Estates, and Prairie View Estates were built in the 1990s and 2000s, and many of those original roofs are now reaching replacement age.
Trees, Water, and Weather: What Johnsburg Roofs Face
Johnsburg is known for streets lined with mature oaks and pines and wooded subdivisions. Those trees are part of the appeal, but they fill gutters with leaves and needles, drop branches in storms, and keep roofs shaded and damp. Overflowing gutters lead to soffit and fascia rot, and in winter, to ice dams.
We catch these problems early with a free inspection, and every job is backed by our 10-year workmanship warranty. We also serve nearby McHenry, Fox Lake, and Wonder Lake.
Why Johnsburg 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 Johnsburg Exterior Services
Roof Replacement & Repair
Replace aging 1990s and 2000s roofs with GAF architectural shingles, new underlayment, and proper ventilation.
Gutters & Soffit
Seamless gutters that handle heavy leaf and pine needle loads, plus soffit and fascia repair where overflow has caused rot.
Siding Installation
Vinyl and engineered siding that holds up to shade, moisture, and northern Illinois winters.
Storm & Hail Damage Repair
Fallen branches and hail can do real damage. We document it for your insurance and make repairs quickly.
Johnsburg Roofing FAQs
How long does a roof last in Johnsburg?
Most asphalt shingle roofs last 20 to 30 years. Heavy shade, overhanging trees, and poor attic ventilation can shorten that, which is why wooded Johnsburg lots benefit from regular inspections.
Can trees near my house damage my roof?
Yes. Branches can scrape and break shingles, falling limbs can puncture the roof, and leaves and needles clog gutters. Shade also keeps roofs damp, which can lead to moss and early wear.
My subdivision was built in the 2000s. Is it time for a new roof?
Possibly. Many original roofs from that era are now 20 years old or more. Look for curling shingles, bare spots, and granules in your gutters, or schedule a free inspection and we will give you an honest answer.
Do you help with homeowners insurance claims?
Yes. We document storm and tree damage, meet with your adjuster, and help you through the claim so you get the full repair your policy covers.
Do you offer free estimates in Johnsburg?
Yes. Inspections and estimates are always free, with no obligation and no high-pressure sales.
