Problem solving is at our core.

Polaris Restaurant at The Hyatt Regency Atlanta

World-class solution for a world-class building

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Polaris Restaurant at The Hyatt Regency Atlanta
historic building preservation

Emory University of Oxford

Sophisticated exterior restoration

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Emory University of Oxford
Sam Nunn Federal Center | Atlanta

Sam Nunn Atlanta Federal Center

Southeast's largest vegetative roof

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Sam Nunn Atlanta Federal Center
The Monastery of the Holy Spirit galvalume metal roof construction

The Monastery of the Holy Spirit

State-of-the-art gambrel style metal roof

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The Monastery of the Holy Spirit

CRITICAL SERVICES OFFERINGS

National Building Contractors and designated service provider Weatherproofing Technologies, Inc. deliver critical services offerings designed to give you the options you need. Choose a mitigation solution that includes the advanced technology, labor and warranty features that fit your budget and compliment your in-house staff capabilities. | Find out more

This service gets the ball rolling to protect your facilities. It includes:

  • Walk-over visual inspection completed by team member
  • Summary report/overview of visual inspection with photographic documentation
  • Client is registered in On-Line Roof Management Program with 24/7/365 toll-free phone access for leak service repairs
  • Response Time 24-48 hours

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When you’ve got a leak you need someone there fast. This service includes:

  • Client calls to request leak investigation and analysis*
  • Technician sources repair with compatible materials
  • Upon repair completion, photographic documentation and report with recommendations for any additional services required

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* Restricted roof access may preclude this service being provided.

A proactive approach is always best. This service includes:

  • Provide labor and materials to perform scope of work as developed by initial inspection
  • Perform an Infrared Analysis of the roof (≤ 20,000 sf)*
  • Photographic documentation and report

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* This service may not be available in certain areas.

A Leak-Free Service Agreement and Annual Inspection offer great value. This service includes:

  • Provide labor and materials to perform scope of work as developed by Roof Leak Mitigation and/or Level 1 Report
  • Photographic documentation and report
  • Leak-Free Service Agreement
  • Annual Inspection

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A Leak-Free Warranty is your greatest protection. This service includes:

  • Provide labor and materials to perform scope of work as developed by Roof Leak Mitigation and/or Level 1 Report
  • Photographic documentation and report
  • Leak-Free Warranty
  • Annual Inspection

| Find out more

Effie Abrahamsen, President National Building Contractors | NBC

“If you don’t have a reputation you don’t have anything.”

—Effie Abrahamsen
President

We’re a certified small business roofing and weatherproofing contractor with a proven record of success with government, institutional, commercial and industrial clients. Our seasoned management, professional crew and expert craftsmen have earned a reputation for quality workmanship over decades of experience. Services we provide include project management, historic restoration and careful delivery of unique technical solutions.

EDWOSB Certified | GSA Contract Holder

EXTENSIVE EXPERIENCE WITH U.S. FEDERAL AGENCIES

  • Federal Aviation Administration
  • U.S. Transportation Security Administration
  • GSA | General Services Administration
  • VA | Department of Veterans Affairs
  • United States Air Force | U.S. Air Force
  • U.S. Department of Defense
  • U.S. Department of State