Flat Roof Repair and Installation in St. Louis, MO

A flat roof

Flat Roofing Built for Lasting Commercial Protection

A flat roof must provide dependable protection in every season. Leaks, surface damage, and aging materials can affect your building and increase repair costs. American Roofing and Exteriors provides professional flat roof repair and installation for commercial properties. For more than 30 years, our commercial roofing services have set a high standard for quality and dependable service. Our repair and roof restoration methods have earned a strong reputation in the commercial roofing industry. If you need flat roofing in St. Louis, MO, and surrounding areas, our team can help protect your building with quality roofing solutions. Schedule services today by calling (314) 849-7663.

Experience That Protects Your Investment

Commercial roofing requires skilled installation, proper repairs, and regular maintenance. American Roofing and Exteriors brings more than 30 years of industry experience to every project. Our Better Business Bureau-accredited commercial roofing contractors focus on quality work from the first inspection through project completion. We help property owners protect their buildings, extend roof life, and control long-term roofing costs. Our team uses proven methods and modern roofing materials to provide dependable results for commercial properties.

Flat Roof Solutions for Long-Term Performance

A properly installed flat roof can provide reliable protection and strong performance for many years. Our commercial roofers install new roofing systems, repair existing roofs, and perform preventative maintenance programs. We select materials based on your building, roof condition, and performance needs.

Our flat roofing services include:

  • Flat roof repair for leaks and damaged areas
  • Commercial flat roof installation
  • Roof restoration and preventative maintenance
  • TPO roofing membrane installation and repair
  • Built-Up Roofing installation and repair
  • Flat roof coating applications
  • Metal panel roofing systems
  • Commercial roof inspections
  • Roof repairs that help extend service life

TPO and Built-Up Roofing systems provide reliable options for many commercial buildings. Flat roof coatings can help protect existing roofing surfaces and extend their useful life. Metal panel systems offer another durable option for commercial applications. Our team uses current materials and proven installation techniques to maximize roof performance and longevity.

Roof damage should receive prompt attention. Small leaks can lead to moisture damage and more expensive repairs. Our roofing professionals inspect problem areas, identify the source of damage, and recommend a practical repair or restoration solution.

Protect Your Commercial Property

Your commercial roof is an important part of your building. American Roofing and Exteriors provides the experience, materials, and workmanship needed to keep your roofing system performing well. If you need flat roofing in St. Louis, MO, and surrounding areas, contact us today at (314) 849-7663. Let our commercial roofing team help protect your property with reliable repair, installation, restoration, and maintenance services.

Most Recent Pins (8)

Jason Forcheimer
American Roofing and Exteriors replaced the roof of a 20-square house in Arnold, MO. They removed the old roof and installed Owens Corning Duration architectural shingles, 15-pound felt underlayment, and Owens Corning Ridge Vent for ventilation.
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Michael Trenkle
American Roofing and Exteriors in Staunton, IL repaired a flat roof leak caused by improper insulation and loose flashing nails. They offered the homeowner multiple repair options after other companies declined partial repairs, successfully resolving the issue with clear pricing and effective service.
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Brendan Peterman
American Roofing and Exteriors completed a fire restoration project in St. Louis, MO. The work involved replacing windows, doors, siding, gutters, shingle and flat roofs, along with several additional exterior components. They restore various exterior elements to repair fire damage efficiently.
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Flat roof with fire restoration and sealing work
Flat roof with fire restoration and sealing workShingle roof with white gutter and siding repairShingle roof with dormer window and gutter systemFlat roof surface with footprint marks near door threshold
Michael Trenkle
American Roofing and Exteriors inspected storm damage in Springfield, MO. They identified hail damage on downspouts, soft metals, fascia, and left roof slopes. Multiple roof repairs involved different shingles with varying brittleness and colors. The left elevation’s modified bitumen roof also showed damage.
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Asphalt shingle roof with marked hail damage and leaves
Asphalt shingle roof with marked hail damage and leavesAsphalt shingle roof with storm damage markingsAsphalt shingles with hail damage marked in orangeRoof shingle hail damage marked with chalkDownspouts and soft metals hail damage on roof and fascia
Michael Trenkle
American Roofing and Exteriors inspected a 35-year-old Modified Bitumen roof on a commercial building in St. Louis, MO. They identified multiple leaks caused by flashing issues and severe rot in the decking and joists, making the roof structure unsafe and in need of urgent repair or replacement.
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Modified bitumen roof deck with rotten floor and joists
Modified bitumen roof deck with rotten floor and joistsCeiling joists and lath with severe water damageRotten wood ceiling joists and plaster damageModified bitumen roof with deteriorated flashing and deckingMulehide modified bitumen roof with flashing damage
Michael Trenkle
American Roofing and Exteriors in Springfield, MO inspected a leaking metal mobile home roof. They removed damaged coating, pressure washed and dried the roof, applied butyl tape to seams and fasteners, and finished with a full silicone coating to protect and seal the roof.
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Metal mobile home roof with hail damage and peeling coating
Metal mobile home roof with hail damage and peeling coatingMetal mobile home roof hail damage and coating cracksMetal mobile home roof with rust and coating damageMetal mobile home roof with peeling coating and vent pipeMetal mobile home roof with hail damage craters
Michael Trenkle
American Roofing and Exteriors in St. Louis, MO replaces TPO flat roofs and Owens Corning mansard shingles. They fix improperly installed nails, replace copper roofing, and repair interior damage from skylight leaks. They also remove and replace modified bitumen roofs.
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Flat roof with rust-stained chimney and roofing membrane
Flat roof with rust-stained chimney and roofing membraneOwens Corning duration mansard shingles nailed incorrectlyOwens Corning Duration shingles with improper nailingTPO roof with cracked sealant around skylight
MATT WOODS
American Roofing and Exteriors installed an Owens Corning Platinum Duration shingle roof, Royal siding, soffit, fascia, gutters, and leaf-free gutter protection in Hillsboro, MO. They sealed windows with Tyvek fanfold insulation and tape to reduce heat loss for the homeowner.
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Most Recent Reviews (1)

Oct 12, 2026
I was very pleased with your price and also your professionalism. Thank you.
Carol Crayne
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