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Our Services

As a premier flat roofing contractor in Washington, DC, we offer a comprehensive suite of services that cater to the diverse and often complex needs of our city’s architectural landscape. Fully licensed, certified, and insured, our expertise spans across five key areas:
Flat Roof Repair, Roof Replacement, New Roof Installation, and Roof Maintenance and Upkeep.

Flat Roof Repair & Waterproofing

Our repair services are exhaustive, addressing issues from wear and tear to improper installations. We specialize in four main types of repairs: Grade Changes & Continuous Flow for effective water drainage, Counter-Flashings & Spanning Metals to prevent water infiltration, Partial Overlays & Recoatings to enhance durability, and Proper Sealant Applications for a watertight seal. We are also adept at rectifying mistakes made by other contractors, ensuring your roof is in optimal condition.

​Roof Replacement or Overlay

For new constructions or major renovations, our new roof installations are designed to meet modern standards while respecting the architectural integrity of the area. We work closely with other building systems, including mechanical and photovoltaic energy systems, to ensure seamless integration.

When a roof reaches the end of its lifespan, we offer full replacement services. Our team conducts a thorough assessment to determine the best course of action, taking into account the unique challenges posed by Washington, DC’s historic buildings.

​Roof Upkeep and Consultations

Regular maintenance is crucial for extending the lifespan of your roof. Our maintenance services include regular inspections, cleaning, and minor repairs to prevent major issues down the line.

Washington, DC is a city rich in history, and many of its buildings are historic landmarks with flat roofs not initially designed for modern mechanical systems. This often requires us to coordinate with various building systems and assemblies, a task we are well-equipped to handle due to our extensive training and hands-on experience.

WHY DUPONT ROOFING LLC?

In summary, whether you’re dealing with a historic building or a modern structure, our services are tailored to meet your specific needs. From flat roof repairs to new installations, from replacements to regular upkeep, we offer a one-stop solution for all your roofing needs in Washington, DC. With our unparalleled expertise and commitment to quality, you can trust us to deliver exceptional results, every time.

SEE WHY WE ARE THE GO TO ROOFERS
FOR HISTORIC WASHINGTON, DC HOMES

Gaining Roof Entry via Fire Escape: Safety and Access Tips

Roof Access from a Fire Escape

Gaining Roof Access via Fire Escape: Safety and Access Tips Here in Washington DC, in our densely crowded neighborhoods in the historic areas, we’ll often see examples of permanent built-in roof access that leads from a fire escape stairway, to the roof. The building code doesn’t always require that access

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Recycled Clay Roof Tiles

Recycled Clay Roof Tiles

Timeless Beauty of Clay Roof Tiles Over the past few weeks, we’ve looked at several different examples of slate roofs and materials used at turrets. Here in Washington DC, the vast majority of roofs are made and built with flat roofing materials. Flat roofing materials are very specific, and not

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Architectural Styles of Turret Roofs Part II 1

Architectural Styles of Turret Roofs – Part II

Exploring the Timeless Charm of Turret Roofs This past week we started looking at a series of turret roofs.  Many of those turret roofs are pyramidal shape.  Today we’re going to look at a bunch of other additional roofs, but some of these are different styles of architectural design and

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