Commercial Flat Roofing in St. Louis

Commercial Roof

Get your free estimate with local construction professionals

Helping Missouri Businesses with Flat Roofing Since 2007

Flat roofs are a common sight on commercial properties throughout St. Louis, and keeping them in good condition is an important part of protecting the buildings beneath them. If your flat roof is leaking, showing signs of wear, or simply due for some professional attention, United Construction Solutions can help. We have been working on commercial flat roofs since 2007 and provide the experience and dependable service local businesses need.

Our Commercial Flat Roofing Services


Different roofs require different levels of attention depending on their age, condition, and previous maintenance. That is why we offer a full range of commercial flat roofing services, including:

Commercial Roof
Flat Roof Maintenance

Regular maintenance can help identify developing problems before they turn into costly damage. We can inspect your roof, address minor concerns, and help keep it performing as it should.

Workers Fixing Roof
Flat Roof Repair

A leak or isolated area of damage does not always mean you need a new roof. Our team performs targeted repairs to resolve problems and restore the integrity of the affected area.

House Storm Damage
Flat Roof Restoration

When a roof needs more than a few repairs but is still a good candidate for restoration, we can provide a more comprehensive solution designed to revitalize and extend its useful life.

Roof Replacement
Flat Roof Replacement

Eventually, every commercial roofing system reaches the end of its service life. When replacement makes the most sense, we can remove the existing system and install a durable new roof suited to your property.

Types of Flat Roofing Systems We Work On

Commercial flat roofing is not a one-size-fits-all category. Our experienced team understands the characteristics of different systems and regularly works on some of the most widely used commercial roofing materials, including:

TPO Roofing

Thermoplastic polyolefin is a single-ply roofing membrane with heat-welded seams. Its performance in areas with significant sun exposure makes it a popular choice for large commercial and retail buildings.

EPDM Roofing

This durable rubber roofing membrane performs well through changing temperatures and weather conditions. It is a proven option for many low-slope commercial buildings.

Modified Bitumen

This reinforced, asphalt-based roofing system is installed in layers to create a tough commercial roof. It can be particularly useful on buildings with numerous penetrations or roofs that experience regular foot traffic.

Each system has its own maintenance requirements, common trouble spots, and repair considerations. Our familiarity with these materials allows us to assess your roof properly and recommend work that makes sense for the system you have.

Commercial Roof

Our Approach to Commercial Flat Roofing in the St. Louis Area

No matter what type of flat roof is protecting your building or what service it needs, our work begins with a thorough assessment. We take the time to understand the condition of the entire roofing system instead of focusing only on the most obvious symptom.

Once we know what is happening, we provide straightforward guidance about your options. A repair may be enough in some situations, while an aging or extensively damaged roof may call for restoration or replacement. We want you to understand why we are recommending a particular solution.

When it is time to complete the work, our team approaches the project carefully and professionally. Commercial roofing can involve large surfaces, drainage systems, penetrations, rooftop equipment, and other details that all need to be considered as part of the job.

That attention continues through the completion of the project. Since 2007, United Construction Solutions has built its reputation by providing quality workmanship and dependable service, and we bring those same standards to every commercial flat roofing project we take on.

Our Service Area for Commercial Flat Roofing

United Construction Solutions is based in Arnold, and we offer commercial flat roofing services to businesses all across St. Louis and the surrounding area. Our team regularly works in places like:

  • St. Louis

  • Kirkwood

  • Ladue

  • O'Fallon

  • Florissant

  • St. Charles

  • Wildwood

These are only some of the communities within our coverage area. If you would like a more detailed look at where we work, visit our Service Areas page.

FAQs About Commercial Flat Roofing

Leaks, standing water, damaged seams, bubbling or blistering, punctures, and visible deterioration can all indicate that your flat roof needs professional attention. Changes inside the building, such as water stains or unexplained moisture, can also point to a roofing problem. Even without obvious damage, periodic inspections can help uncover issues that are difficult to spot from the ground.

The cost depends on the work your roof requires. Its size, existing roofing system, overall condition, accessibility, and whether you need maintenance, repairs, restoration, or complete replacement can all affect the final price. Rather than relying on a generic estimate, we will assess your property and provide a quote based on the actual scope of the project.

Yes. United Construction Solutions holds certifications from respected roofing manufacturers, including Versico and GAF. These certifications reflect our team's training and knowledge of the roofing systems and installation practices involved in commercial projects.

We understand that roofing work is happening around an active business, not on an empty jobsite. Our team plans projects carefully, communicates with you about the work being performed, and keeps the site organized throughout the process. We aim to complete your roofing project efficiently while minimizing unnecessary interference with your employees, customers, tenants, or daily operations.

Yes. In addition to commercial flat roofing systems, United Construction Solutions also works on properties with asphalt shingle roofs. If your building has a pitched shingle roof that needs repairs or replacement, our experienced team can help.

Talk to a St. Louis Commercial Flat Roofing Contractor

Your commercial roof plays an important role in protecting your building, inventory, equipment, employees, and customers, so problems are worth addressing properly. If you need maintenance, repairs, restoration, or a complete flat roof replacement in St. Louis or the surrounding area, turn to United Construction Solutions. Contact our team today to discuss your property, schedule an assessment, and get expert guidance on the right solution for your commercial roof.

© 2026 United Construction Solutions LLC. All Rights Reserved