See Our Work in Your Neighborhood
About Us
Built on Trust, Not Pressure. Serving St. Louis Since 1972.
We are Allen Roofing and Siding, a locally owned exterior contractor serving the greater St. Louis metropolitan area in Missouri and southern Illinois since 1972. With more than 50 years of experience, three convenient locations in Ellisville, St. Peters, and Caseyville, and credentials including GAF Master Elite certification, HAAG Certified Inspector status, and the BBB Torch Award for Ethics, we have built our reputation on honest service, quality workmanship, and lasting results for every homeowner and business we serve.
Learn More About Us
Roof Replacement
As a GAF Master Elite certified contractor and named Top 100 Roofing Contractor, we have been replacing roofs across the greater St. Louis metropolitan area in both Missouri and southern Illinois since 1972, offering a full range of materials from GAF asphalt shingles and DaVinci composite slate and shake to cedar, tile, and flat roof systems, all backed by workmanship warranties and flexible financing options.
Learn More
Commercial Roofing
For businesses throughout St. Louis, Missouri and the Metro East Illinois region, we deliver complete commercial roofing solutions including new construction installations, full replacements, routine maintenance programs, and emergency repairs using premium TPO, EPDM, and other industry-leading systems, all supported by our GAF Certified Contractor and HAAG Certified Inspector credentials and backed by the BBB Torch Award for Ethics.
Learn More
Siding
We have been installing vinyl siding across the greater St. Louis metropolitan area in Missouri and Illinois for more than 50 years, offering styles ranging from traditional lap and dutch clapboard to vinyl shake and vertical panels to suit any home in any neighborhood. As a HAAG Certified contractor with advanced training in assessing exterior damage, we bring expertise most companies cannot match, and we back every installation with manufacturer warranties and flexible financing options. Whether you are replacing storm-damaged siding in Kirkwood, refreshing an aging exterior in O'Fallon, or updating a home anywhere from Chesterfield to Edwardsville, our team provides transparent, no-deposit estimates and a customer-first process from the first call to the finished project.
Learn MoreRecent Work
There is no work at this time. Check back later!
Customer Reviews
There are no testimonials at this time. Check back later!
Frequently Asked Questions
We have been serving homeowners and businesses across the greater St. Louis metropolitan area in Missouri and southern Illinois since 1972, giving us more than 50 years of experience navigating the region's severe weather, hail events, and demanding seasonal conditions. Allen Roofing and Siding holds the GAF Master Elite certification, a distinction earned by fewer than 2% of roofing contractors in North America, and has been recognized as a Top 100 Roofing Contractor nationally. We have also received the Better Business Bureau Torch Award for Ethics, reflecting our commitment to honest, no-pressure service. With three conveniently located offices in Ellisville, St. Peters, and Caseyville, Illinois, we are always close to the communities we serve and ready to respond with free detailed estimates and no deposit required.
We offer a comprehensive range of residential and commercial exterior services to homeowners and property owners throughout St. Louis County, St. Charles County, Jefferson County, and Metro East Illinois. Our roofing services include full roof replacements using asphalt shingles, composite slate and cedar shake, flat roof systems, tile, and cedar; targeted roof repairs for leaks, storm damage, and shingle issues; and commercial roofing installations using TPO and EPDM membrane systems. Beyond roofing, we install vinyl, James Hardie fiber cement, and engineered wood siding, seamless gutters with leaf protection, skylights, and tuckpointing. We also assist homeowners and businesses with storm damage assessments and insurance claim coordination from start to finish.
Yes, we offer financing options designed to make protecting your home in the St. Louis area accessible without compromising on quality or materials. Whether you are facing an unexpected repair after a hail storm or planning a full roof replacement in Chesterfield, Kirkwood, O'Fallon, or Edwardsville, our financing plans are structured to align with your budget and your timeline. We provide transparent, detailed estimates upfront with no hidden fees, and we require no deposit to get started. Our goal is to remove the financial stress from the process so you can make the best decision for your home with confidence and clarity.
Yes, Allen Roofing and Siding is a fully qualified commercial roofing contractor serving businesses, property managers, HOAs, healthcare facilities, municipalities, and multi-family developments throughout the greater St. Louis metro area and southern Illinois. We hold the GAF Certified Contractor designation and HAAG Certified Inspector credential, and we are active members of the Midwest Roofing Contractors Association and the Home Builders Association of St. Louis. Our commercial roofing services cover new construction, full replacements, routine maintenance programs, energy-efficient upgrades such as reflective coatings and cover boards, and emergency repair response. We work with a range of premium commercial roofing material suppliers including Johns Manville, Versico, GenFlex, and GAF.
Our HAAG Certified Inspector credential sets us apart when St. Louis area homeowners are dealing with hail or wind damage, because HAAG certification represents a recognized, rigorous standard of expertise in identifying and documenting all types of roof damage. This means when one of our inspectors walks your roof in Ballwin, Clayton, Wentzville, or Belleville after a storm, they bring a level of professional credibility that insurance adjusters recognize and respect. We assist homeowners through the entire insurance claims process, from the initial inspection and detailed damage documentation to coordinating directly with your insurance adjuster to make sure you receive the coverage you are entitled to. Customers who have worked with us after storms consistently note how much smoother the process felt with our team guiding them.