Business Details
50+ Years
experience
Emergency
services
Commercial Roofing & Restoration Experts Since 1938
Culbertson Company has been a trusted leader in commercial restoration since 1938, serving Maryland, Virginia, and Washington, D.C. With over 80 years of combined industry experience, we specialize in masonry, roofing, waterproofing, and facade restoration while maintaining a steadfast commitment to safety, quality craftsmanship, and client satisfaction. Our team of 150+ professionals, including six Superintendents and 40+ project foremen, self-performs most work to ensure precision and efficiency. We hold certifications from the National Roofing Contractors Association (NRCA) and the Sealant Waterproofing & Restoration Institute, reflecting our expertise in innovative solutions for occupied commercial buildings.Our 24/7 emergency response team and annual maintenance plans demonstrate our dedication to proactive service. As a three-generation family-owned business, we combine time-tested techniques with modern technology to extend the life of historic and contemporary structures alike.
Services
Masonry
Roofing
Waterproofing
Concrete Repairs
Facade Restoration
Details
- Year established: 1938
Highlights and features
- We offer 80+ years of combined experience in commercial restoration.
- Our team includes 150+ field workers and 40+ certified project foremen.
- We maintain a 0.64 WC MOD safety rating with OSHA-certified training.
- We self-perform 90% of restoration work for quality control.
- Our NRCA certification ensures industry-leading roofing expertise.
Associations and certifications
- National Roofing Contractors Association (NRCA)
- Sealant Waterproofing & Restoration Institute (SWR Institute)
- National Trust for Historic Preservation
What people say
Exceptional craftsmanship
Timely service
Knowledgeable team
Reliable partners
Safety-focused
Services
Masonry Restoration
Our masonry restoration services address deteriorated mortar joints, cracked bricks, and structural damage using traditional techniques and modern materials. We specialize in historic building preservation while meeting current safety standards. Clients benefit from durable repairs that maintain architectural integrity for commercial properties.
Roofing Solutions
We provide comprehensive roofing services including leak detection, membrane replacement, and flat roof maintenance for commercial buildings. Our NRCA-certified team uses advanced waterproofing systems to prevent water intrusion. Clients receive long-lasting solutions that protect investments and comply with industry regulations.
Waterproofing Systems
Our waterproofing expertise covers foundation walls, balconies, and facade joints using high-performance sealants and coatings. We conduct thorough moisture assessments to identify vulnerabilities. Clients gain protection against water damage while extending their building's lifespan through proactive maintenance plans.
Facade Rehabilitation
We restore building facades by repairing stone, brick, and concrete elements while maintaining aesthetic continuity. Our team addresses structural issues and weathering damage safely. Clients receive enhanced curb appeal and structural integrity for occupied commercial properties without disruption.
Concrete Repairs
Our concrete restoration services address spalling, cracking, and reinforcement corrosion in parking garages and building structures. We use epoxy injections and protective coatings for lasting results. Clients benefit from strengthened infrastructure that meets safety codes and extends service life.
People
John Bourque
Partner, President
With 34 years at Culbertson Company, John Bourque leads business development and strategic growth. A former field worker, he holds certifications in asbestos management and NRCA membership. He focuses on client relationships and operational excellence.
Henry Alfaro
Partner, Operations Manager
Starting as a laborer in 1997, Henry Alfaro earned a business degree while working. He now oversees daily operations, emphasizing employee respect and safety. His hands-on leadership drives project execution and team development.
Dennis Andrejewski
Partner, Vice President
Dennis Andrejewski manages estimating and project coordination since joining in 2003. With Virginia Tech construction expertise, he ensures technical accuracy and client satisfaction across complex restoration projects.
Josh Sams
Project Manager/Estimator
Josh Sams brings 15+ years of masonry restoration experience to project management. He excels in cost control and has managed teams of 100+ workers, delivering projects on time and within budget.
Gary Doane
Project Manager
Gary Doane specializes in water intrusion diagnosis and concrete restoration. With welding expertise since 1991, he provides technical solutions for complex building envelope challenges.
Questions
What areas do you serve?
We serve Maryland, Virginia, and Washington, D.C., specializing in commercial restoration for occupied buildings.
Do you handle emergency repairs?
Yes, our emergency response team is available 24/7 for urgent roofing and water intrusion issues.
What certifications do you hold?
We're certified by NRCA, SWR Institute, and maintain OSHA safety training programs for all staff.
Can you work on occupied buildings?
Yes, 90% of our projects occur in occupied structures with minimal disruption to tenants.
Do you offer maintenance plans?
We provide annual/semi-annual maintenance contracts to proactively protect commercial roofing and structures.
How do I request service?
Call (703) 369-2550 or use our online form for repair requests, with 4-hour minimum service calls.
