Business Details
12 Years
experience
Emergency
services
Your Trusted Commercial Roofing Partner in the Mid-Atlantic
Founded in 2014, we are a family-owned commercial roofing and waterproofing company serving the Mid-Atlantic region. Our team brings over 225 years of combined experience in exterior building solutions, specializing in roof installation, repair, restoration, and green roofing systems. We prioritize safety, with all employees OSHA 10 certified, and maintain partnerships with leading manufacturers to deliver high-quality materials.Recognized with awards like Carlisle ESP and GAF Certification, we focus on long-term client relationships through reliable service and community investment. Our emergency response team operates 24/7, ensuring rapid solutions for critical building needs.
Services
Commercial Roofing
Waterproofing
Emergency Repairs
Green Roofing
Roof Coating
Sheet Membrane Installation
Hot Rubberized Asphalt
Cold Fluid-Applied Membrane
Preventative Maintenance
Roof Replacement
Details
- Year established: 2014
Highlights and features
- We offer 24/7 emergency service for critical roofing needs.
- Our team has over 225 years of combined experience in commercial roofing.
- All employees maintain OSHA 10 certification for job site safety.
- We provide 100% CBE participation for D.C. projects.
- Our patented apprenticeship program develops local talent.
Associations and certifications
- Carlisle ESP
- GAF Certified Service Professional
- ABC Excellence in Construction
Services
Commercial Roofing
We install and maintain low-slope roofing systems for new construction and restoration projects. Our services include TPO, PVC, and modified bitumen membranes. Clients benefit from durable, energy-efficient solutions that meet building code requirements and extend roof lifespan.
Waterproofing
Our waterproofing solutions protect structures from water intrusion using sheet membrane, hot rubberized asphalt, and fluid-applied systems. We serve both above-grade and below-grade applications, ensuring long-term structural integrity for commercial properties in all climate conditions.
Emergency Repairs
Available 24 hours a day, our emergency response team addresses urgent roofing and waterproofing issues. We provide rapid inspections and repairs to prevent further damage, minimizing business disruption while maintaining safety standards for commercial properties.
Green Roofing
We design and install eco-friendly green roofing systems with vegetation, pavers, and synthetic turf. These solutions improve energy efficiency, manage stormwater, and create functional rooftop spaces while maintaining structural protection and waterproofing integrity.
Roof Coating
Our liquid-applied coating systems extend roof life without full replacement. Using silicone, PMMA, and polyurea materials, we restore existing membranes to like-new condition with warranties up to 20 years, offering cost-effective protection for aging commercial roofs.
People
Douglas Portner
Founder
With 30 years in commercial roofing, Doug established Harbor to solve industry challenges through quality service and community investment. He leads with a family-first philosophy, prioritizing long-term client relationships and workforce development in the Mid-Atlantic region.
Questions
What commercial roofing services do you offer?
We provide complete roofing solutions including installation, repair, restoration, and maintenance for low-slope systems using TPO, PVC, modified bitumen, and coating technologies.
Do you provide emergency roofing services?
Yes, our 24/7 emergency response team handles urgent repairs for commercial properties throughout the Mid-Atlantic region.
What areas do you serve?
We operate in Washington, D.C., Maryland, Virginia, West Virginia, Pennsylvania, and Delaware with local workforce development programs in D.C. and Baltimore.
Are you certified for government projects?
Harbor Roofing and Waterproofing holds D.C. CBE certification and meets federal contracting requirements for commercial roofing and waterproofing installations.
How do you ensure worker safety?
All employees complete OSHA 10 training, exceeding industry safety standards for commercial roofing and waterproofing operations.
Do you offer apprenticeship programs?
Yes, we developed a registered apprenticeship program for commercial roofers and waterproofers, launched in 2021 to train local workers.
