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Aug 28 2017

DC Commercial Roofers #roofing #contractors #washington #dc

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Leading the industry

Our Services

Simpson Unlimited has been in the roofing business since the creation of our company in 1992. Since then we have grown to perform services on a wide array of roofing types and manufacturers on buildings ranging from small warehouses to high rise office buildings in the Washington, D.C. Metropolitan area and the greater Mid-Atlantic.

With over a decade of Roof Replacement Restoration experience in the Washington DC Metro Area, our technicians have become experts at providing clients quality craftsmanship and exceptional customer service. Our commercial roofing Project Managers and Superintendents have a combined roofing experience of over 100 years!

The greatest strengths of our roofing department are our capability, our dedication, and our integrity. While most contractors can offer a limited choice when it comes to roofing products, Simpson Unlimited is a skilled, experienced, and authorized veteran applicator of virtually every type of roofing from single ply to asphalt membranes for a vast array of manufacturers. This results in a company that can find the exact fit for your property, not a cookie-cutter approach. With these tools at our disposal, we have grown to be the premier roofing replacement and service contractor in the D.C. Metro Area and Greater Mid-Atlantic.

For assistance with Roofing services, please contact:

Simpson specializes in the Replacement, Restoration, Repair, Maintenance of these commercial industrial roof types:

  • Built-Up and Hybrid Built-Up
  • Modified Bitumen
  • Liquid Applied Membranes
  • Cold Process Built-Up and Coatings
  • Hot Rubberized Asphalt

Architectural Sheet Metal Department

Simpson Unlimited employs highly skilled sheet metal mechanics. Our mechanics fabricate and install custom sheet metal using state of the art automated fabrication equipment. We also hand fabricate replica pieces to meet all your sheet metal fabrication and installation needs.

Service Department

Simpson Unlimited has full time service crews to handle emergency leak repairs, temporary repairs, routine maintenance, and investigative work. This work can be completed by simply placing a service call. Your needs will be assessed and a crew will be scheduled to make your repairs in a prompt efficient manner. Our professional service department works directly with the roofing manufacturers to perform repairs and ensure that your manufacturer’s warranties are not voided. We also coordinate our work with your other contractors performing work on your roofs, such as flashing penetrations, and pitch pocket installation after other trades have installed vents, exhausts, HVAC, or other items into your roof. The proper care of your roof can provide you with many years of reliable service.

Simpson is a member of the following professional organizations:

  • National Roofing Contractors Association
  • IREM Chapter 8 Washington, D.C.
  • Sealant Waterproofing and Restoration Institute
  • Community Associations Institute
meet some of our team

Service Department

Simpson Unlimited has full time service crews to handle emergency leak repairs, temporary repairs, routine maintenance, and investigative work, complete roof inspections and reports, and the ability to track and manage all of your buildings and roofing work online.

Regular Preventative Maintenance inspections are provided to customers who have current service agreements with Simpson at no cost.

We also offer the Simpson Plus Service Agreement. which offers additional services for your benefit. Priority scheduling, discounts on trip charges, and free fall gutter and drain debris removal come standard. After a year of preventative maintenance inspections, Simpson Plus offers enrollment in our leak free guarantee for qualified roofing systems at no additional cost. With our Online Roof Asset Management portal, our clients have the ability to track and manage their roofing systems online. Owners have the ability to access work orders, pictures, invoices, and roof warranties. The combination of regular preventative maintenance inspections and the leak-free guarantee make Simpson Plus unparalleled in the industry.

Contact one of our team members to schedule your free inspection today by calling (703) 361-0841 or by filling out the Service Request form .

We will assess your needs and a crew will be scheduled to make your repairs in a prompt and efficient manner. Our professional service department works directly with the roofing manufacturers to perform repairs and ensure that your manufacturer’s warranties are not voided. We also coordinate our work with your other contractors performing work on your roofs, such as:

  • Flashing penetrations, vents, exhaust fan curbs and other HVAC equipment
  • Pitch pocket installation
  • Sheet metal flashings

Contact us today for an on-site evaluation from our Service Manager.

meet some of our team

Daniel Ulvinen

Matt Stromberg

Edgar Bennington

Rick Aronhalt

Helber Serrano

Chaim Briggs

Juan Gomez

Manufacturer Certifications

We are authorized applicators or certified installers of the following roofing products:

  • Carlisle-Syntec
    • Single-Ply TPO, PVC, EPDM, KEE
  • Firestone Building Products
    • Single-Ply TPO, EPDM
    • Modified Bitumen SBS, APP, Cold-Applied, Hot-Applied
    • Built-Up Gravel Surface, Smooth Surface, Hybrid, Cold-Applied, Hot-Applied
  • Johns Manville
    • Single-Ply TPO, PVC, EPDM
    • Modified Bitumen SBS, APP, Cold-Applied, Hot-Applied
    • Built Up Gravel Surface, Smooth Surface, Hybrid, Cold-Applied, Hot-Applied
    • Liquid-Applied Roofing Systems
  • GAF
    • Single-Ply TPO, PVC, EPDM
    • Modified Bitumen SBS, APP, Cold-Applied, Hot-Applied
    • Built Up Gravel Surface, Smooth Surface, Hybrid, Cold-Applied, Hot Applied
    • Liquid-Applied Roofing Systems
  • Fibertite
    • Single-Ply Fibertite KEE
  • Siplast
    • Modified Bitumen SBS
    • Liquid-Applied Roofing Systems
    • Waterproofing Systems
  • Soprema
    • Modified Bitumen SBS
    • Liquid-Applied Roofing Systems
  • Versico
    • Single-Ply TPO, PVC, EPDM
  • Petersen Aluminum (PAC-CLAD)
    • Standing Seam Metal Roofing
    • Wall Panel Assemblies
  • Fabral
    • Standing Seam Metal Roofing
    • Wall Panel Assemblies
  • Carlisle Coatings Waterproofing
    • Hot Rubberized Asphalt Membrane
    • Cold-Applied Membranes
    • Waterproofing Systems
  • Henry Company
    • Hot Rubberized Asphalt Membrane
    • Cold-Applied Membranes
    • Waterproofing Systems
  • Tremco Roofing / Commercial Sealants Waterproofing
    • Built-Up Roofing Systems, Hot-Applied, Cold-Applied
    • Modified Bitumen Systems, Hot-Applied, Cold-Applied
    • Single-Ply Roofing Systems
    • Standing Seam Metal Roofing
  • The Garland Company
    • Built-Up Roofing Systems, Hot-Applied, Cold-Applied
    • Modified Bitumen Systems, Hot-Applied, Cold-Applied
    • Single-Ply Roofing Systems
    • Standing Seam Metal Roofing
  • Tamko
    • Steep-Slope Asphalt Shingles
    • Maintenance on Existing Warranted Low-Slope Roofing Systems
  • Certainteed
    • Steep-Slope Asphalt Shingles
  • LiveRoof
    • Green Roofing Systems
  • Barrett Company
      • Hot Rubberized Asphalt Membrane
      • Cold-Applied Membranes

This is a comprehensive list as of January 2015. For more information on a particular product or service, please feel free to email or call us at the office and a team member can assist you.

Recent Projects

Written by CREDIT


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