St. Louis' First & Oldest GAF Master Elite Roofer
Storm Damage Experts Since 2001
Free roof inspections. We document storm damage with photos and meet your adjuster to walk through your roof.
Had a recent storm?
Your roof may be damaged
even if it looks fine.
Hail and wind damage is often invisible from the ground. Insurance covers most storm damage repairs at little to no out-of-pocket cost, but waiting too long can void your claim window.
Free Inspection
We inspect your roof and thoroughly document all damage with high-resolution photos.
Adjuster Meeting
We share our photo report and meet your adjuster on-site to walk through the damage and roof scope.
Expert Installation
GAF Master Elite certified crews install your new roof, backed by the industry's best warranties.
Roofing, Siding & Gutters — Done Right
Roof Replacement
Complete tear-off and replacement using premium GAF materials and certified installation.
Roof Repair & Emergency Tarping
Fast response for leaks, storm damage, and missing shingles.
Siding Installation & Repair
Premium vinyl or James Hardie siding to upgrade curb appeal & energy efficiency.
Gutters & Exteriors
Seamless gutter systems and exterior updates to protect your foundation.
We also handle commercial roofing and flat roof systems.

The ACI Difference
Why St. Louis Homeowners Trust ACI
First & Oldest GAF Master Elite in St. Louis
Top 3% of roofers nationally. Access to the exclusive Golden Pledge warranty — 50-year material, 25-year workmanship coverage.
Veteran Owned & Locally Operated
Owned by Shawn Gaffney, who lives and works right here in the community. We treat our neighbors with respect and integrity.
Storm Damage Documentation
We've worked thousands of insurance-funded storm jobs and know how to document damage clearly and completely.
A+ BBB Rating
A proven track record of ethical business practices and satisfied customers across the St. Louis area.
We're Not Storm Chasers
We have been here since 2001 and we'll be here to honor our warranties for decades to come.
The ACI Difference
Why Choose ACI Roofing and Exteriors
Over 25 years of serving St. Louis homeowners with integrity, expertise, and the industry's best warranties.
IN BUSINESS
Over 25 Years of Excellence
ACI Roofing and Exteriors is proud to be among the top 3% of commercial and residential roofing contractors in North America — achieved by becoming GAF Master Elite certified, the most prestigious roofing certification program in the country, found on 1 in 3 roofs across America.

Storm Damage Documentation
If a storm has damaged your home, we inspect your roof, document the damage with photos, and give you a detailed estimate to share with your insurance company. We can also meet your adjuster on-site to walk through the roof scope. We work with all insurance carriers and are recommended by many popular agencies in the Metro St. Louis area.


St. Louis' #1
First & Oldest Master Elite Installer in St. Louis
ACI Roofing and Exteriors is proud to be among the top 3% of commercial and residential roofing contractors in North America. Our GAF Master Elite certification requires ongoing learning and training to ensure we have the knowledge and skills to provide quality workmanship every time. When it comes to finding a roofing contractor you can trust, ACI Roofing and Exteriors is the clear choice.

Lifetime Warranty
When it comes to your roof, you want to be sure you have a product that will last. With the GAF Master Elite® program, you can rest assured knowing that your roof and home are protected for a lifetime. With non-prorated coverage for the first 10 years, you'll have peace of mind to ease any problems.

Proud Member of WSCC
ACI Roofing and Exteriors is a proud member of the Western St. Charles County Chamber of Commerce. With over 25 years of roofing excellence, we are committed to quality and community. Your home and family deserve top-notch roofing backed by experience, professionalism, and local pride.
Testimonials
What Our Customers Say
200+ Five-Star Reviews Across Google, GAF, and BBB
"ACI acted quickly and efficiently in taking care of our roof claim. Shawn came over right away and inspected our roof. ACI worked well with our insurance company, and their installation crews worked tirelessly to finish the tear off and replacement in one day. The gutter crew followed the roofers and then the window wrap crew finished us up. I would gladly recommend ACI for roofing and exterior needs. They are First Class Professionals."
"Shawn and his crew were great. They managed working with the insurance company. We had renters coming in and they got it done in time. It looks great. Thanks ACI!"
"We had a great experience with ACI. Shawn was quick with providing an estimate and explained everything to us up front. Quality of work was excellent and they didn't try to up-sell us on anything we didn't need. You won't find a better 'bang for your buck' than ACI. I have a new patio that will need a roof soon and there is no doubt in my mind who I will call for the job."
Your Insurance Claim
How The Process Works
We take the stress out of storm damage by handling everything from inspection to installation.
Schedule Inspection
We come to your property for a free, no-obligation inspection.
Document Damage
We create a thorough inspection report with photos for your insurance company.
Meet Your Adjuster
We meet your adjuster on-site to show the damage we documented and discuss your roof's scope.
Expert Repair
GAF-certified installation backed by the best warranties in the industry.
Our Coverage
Proudly Serving The Greater St. Louis Area
Based in St. Peters, MO, we proudly serve homeowners across the entire St. Louis Metro area, including—but not limited to—the following communities:
Don't see your city listed?We likely still serve your area. Contact us to confirm or call (636) 294-3826.
Flexible Financing Options Available
Not every job is covered by insurance. We offer affordable financing so you can protect your home without the financial stress. Get the roof you need today and pay over time.
