Homeowners across Thornton call Big Toms Roofing because we do what we say โ show up on time, explain what we find in plain language, and stand behind every Roof Installation job with a written warranty.

Big Toms Roofing isn't a national call center that dispatches whoever's cheapest that week. We're a licensed roofing operation built around Thornton and the surrounding Thornton, IL communities, with crews who know the local building codes, the weather patterns, and the housing stock inside and out.
From a single missing shingle to a full tear-off, our Thornton crews handle every stage of roofing work with the same attention to detail โ licensed, permitted, and cleaned up when we leave.
When a tree limb punches through decking or shingles peel back in a wind event, water gets in fast. We prioritize emergency calls in Thornton above scheduled work, get a tarp on within hours, and document everything with photos for your insurance file.
Whether your roof is past its expected lifespan or storm damage made repair impractical, our replacement crews handle permitting, disposal, and installation start to finish, with a written timeline you can plan around.
Downtime costs money, so commercial Roof Installation jobs get scheduled around your operating hours whenever possible, with clear communication to property managers and tenants throughout the project.
Buying or selling a home in Thornton? A pre-purchase roof inspection gives you real leverage in negotiations and peace of mind about what you're actually buying โ no guessing about remaining roof life.
Ice damming is a real problem in Thornton, IL winters when it happens. We install proper ice-and-water shield and improve attic insulation and ventilation to stop the freeze-thaw cycle that damages eaves.

We're not trying to be the biggest Roof Installation company in Thornton, IL โ we're trying to be the one you'd actually recommend to your neighbor.
You'll know the exact scope and cost in writing before work starts, and that number doesn't move unless you approve a change.
Local dispatch means less time waiting and more time getting your roof actually fixed.
Certification isn't a marketing badge here โ it's required training that affects how your warranty is honored.
If something about the finished work doesn't sit right with you, call us back and we'll make it right โ that's the deal.
We document damage the way adjusters expect to see it, which shortens the back-and-forth on storm claims.
Magnetic nail sweeps and tarp-protected landscaping are standard on every job, not an upsell.
We don't cherry-pick these โ they're representative of the calls, texts, and reviews we get after most Roof Installation jobs in Thornton.
"We had a leak show up during a storm at night and I honestly didn't expect anyone to answer the phone. Big Toms Roofing had a crew tarping our roof within a couple hours and came back two days later to do the real repair. Can't recommend them enough."
"The estimate they gave us matched the final invoice exactly, which after two other quotes from companies that kept adding line items, was a relief. Crew was professional and cleaned up better than I expected."
"They handled the entire insurance claim conversation with our adjuster, sent over photo documentation, and honestly made a stressful situation way less stressful. Roof looks great too."
"As a property manager I've worked with a lot of roofing companies and Big Toms Roofing is one of the few that actually communicates before showing up and after the job's done."
"Bought a house in Thornton last year and had them do the pre-purchase inspection. Found flashing issues the seller ended up covering. Saved us thousands before we even closed."
Big Toms Roofing crews are staged to cover all of Thornton and the neighborhoods around it, from established residential streets to newer developments and commercial corridors.
We regularly work in the following Thornton-area zip codes: 60476 60430

One call gets a licensed Thornton roofer looking at your problem, usually the same day, with a written estimate before anything starts.
๐ Call +1-855-469-0306 โ Serving Thornton, IL