Enhance and Protect Your Property With a High-Performance Flat Roofing System


Workers rolling out a dark roofing material on a flat rooftop.

Flat roofs are a smart, efficient choice for many commercial buildings and modern homes across Delaware and Pennsylvania. At DNA Roofing and Siding, our team has extensive experience addressing the specific challenges and needs that flat roofing systems present. From office complexes and retail centers to contemporary residences, we’ve built a reputation for delivering dependable flat roof installation, repair, replacement, inspections, maintenance, and emergency services.


As a licensed and insured contractor based in Wilmington, DE, we understand the importance of proper drainage, weather resistance, and timely maintenance for flat roofs in our region. Whether you’re dealing with new construction or looking to resolve persistent leaks, you can count on our skill, attention to detail, and commitment to quality from your initial call to the final inspection.


Need a reliable solution for your flat roof? Call us at 302-455-2180 to request a free estimate now.

Flat Roof Installation


Choosing the right flat roof system is essential for performance and durability. We work with a variety of industry-leading flat roofing materials, including


  • Modified Bitumen
  • TPO (Thermoplastic Olefin)
  • EPDM (Ethylene Propylene Diene Monomer)
  • Built-Up Roofing (BUR)


Our expert installers will assess your property, recommend the best solution, and ensure precise, high-quality application for long-term weather resistance and minimal maintenance.

Person using a torch to apply roofing material on a flat roof next to a white wall.
Roofer in red gloves applying sealant to a flat roof with a torch and propane tank nearby.

Flat Roof Repair


Leaks, pooling water, seam separation, or punctures can jeopardize the integrity of your flat roof and lead to costly damage. Our team quickly identifies the source of any problem and delivers targeted repairs that restore your roof’s protective barrier. We use advanced repair methods and compatible materials to ensure seamless, lasting results.

Flat Roof Replacement


When repairs are no longer effective, a full flat roof replacement can offer renewed protection and energy efficiency. We’ll evaluate the condition of your existing roof, recommend the ideal upgrade, and handle the tear-off and installation process with minimal disruption to your business or home.

Roofer welding roofing material with a torch on a flat roof.
Construction workers on a rooftop, wearing safety vests, working on a building under construction.

Flat Roof Inspections and Maintenance


Flat roofs benefit from routine inspections and proactive maintenance. Our team conducts thorough evaluations to check for potential issues such as membrane wear, drainage problems, debris buildup, and flashing defects. Regular maintenance extends the lifespan of your roof and helps prevent unexpected emergencies.

Emergency Flat Roof Repairs


Flat roof emergencies can strike at any time, from storm damage to sudden leaks. DNA Roofing and Siding provides prompt, dependable emergency repair services to protect your property and minimize further loss. Our experienced roofers are ready to respond quickly whenever you need urgent help.

Person in gloves applying a strip of black roofing material on a dark roof.
Man in red hat installing roofing on a flat roof, outdoors.

Benefits of Flat Roofing Systems


Flat roofs provide a host of practical and aesthetic advantages for both commercial and residential properties. Their modern, streamlined appearance is ideal for contemporary architectural styles and can enhance your building’s overall curb appeal.


One of the most significant benefits is cost-effectiveness. Flat roofing systems typically require less material and labor than pitched roofs, making them an attractive option for those seeking reliable protection without a hefty price tag. Their design allows for straightforward installation and simpler repairs, which can translate into long-term savings on maintenance.


Flat roofs also offer unmatched versatility. They create usable rooftop space that can be transformed into outdoor living areas, green roofs, solar panel installations, or even extra storage. This flexibility is valuable for both business owners looking for functional roof access and homeowners interested in maximizing their property’s utility.


Additionally, flat roofs provide easy access for routine inspections and upkeep, helping to extend the roof’s lifespan and minimize unexpected repair costs. Their design supports advanced insulation systems, improving energy efficiency and helping maintain comfortable indoor temperatures throughout the year.


For properties in urban environments or those with limited space, flat roofs can boost usable square footage and provide innovative solutions that traditional sloped roofs can’t match.


Upgrade your property with a durable, professionally installed flat roof. Call us at 302-455-2180 to get started now.