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Certifications, Licenses & Insurance
Certifications, Licenses & Insurance
CERTIFIED

CERTIFIED

with

with

MASTER ELITE

MASTER ELITE

GAF is the largest roofing manufacturer in North America, and this top-tier certification is granted to approximately 3% of all residential roofing contractors in North America. Master Elite certification requires professional training, years of experience in a community, adequate insurance coverage, and a 99% positive review standing amongst its customers. Master Elite contractors are also the only contractors in the industry that have exclusive access to GAF’s Golden Pledge Warranty, the best warranty in the industry.
MASTER SELECT

MASTER SELECT

If you’re a commercial roofing contractor, the GAF Master Select Certification is the gold standard. Granted to approximately 1% of all commercial roofing contractors in North America, this group is required to take part in ongoing training, maintain strict performance standards, and have the required insurance to maintain status. This small group is backed by the largest manufacturer of roofing products in the industry and are the only contractors with exclusive access to GAF’s Diamond Pledge NDL Roof Guarantee, the BEST guarantee in the GAF lineup.
LEGACY ROOFING CONTRACTOR

LEGACY ROOFING CONTRACTOR

We are a certified Mule-Hide® Legacy Contractor. Since 1906, Mule-Hide has been a trusted name in roofing solutions for residential, commercial, industrial and institutional buildings. Backed by an extensive warranty program, Mule-Hide as a diverse product offering of roofing systems that meet the most stringent specifications for low-slope solutions.
HAAG

HAAG

In the roofing industry, Haag Certified carries a lot of weight. It indicates that you can effectively and efficiently inspect and assess damage. As a Haag certified inspector our deeper level of credibility could serve as the extra authority you need when at odds with another's findings. Specifically, your insurance company.
ECOSTAR

ECOSTAR

EcoStar offers the look of natural slate without the associated cost or weight. In fact, it can be installed on a standard roof structure without requiring additional support. As an approved EcoStar partner in the Gold Star Applicator program, we can offer our customers their best warranty, a 50-year Limited Labor and Material Warranty coverage.
VELUX

VELUX

As a registered Velux Skylight Specialist, we have the highest certification available from the world’s leading manufacturer of skylights and sun tunnels. Our services range from a single residential installation to more complex commercial applications. With years of experience and the best-selling skylight brand as part of our line-up, you can expect years and years of trouble free performance.
BBB

BBB

In a market saturated with companies of questionable reputation, BBB Accreditation gives homeowners the confidence they need when selecting a service provider. As a business committed to the BBB Standards, our trustworthiness and reliability separate us from the competition and let you know you’re dealing with an ethical and vetted business.
PAC-CLAD

PAC-CLAD

We are an authorized reseller and certified installer of Pac-Clad metal roofing products. Pac-Clad products are available in 45 color choices and offer up to a non-prorated 30-year warranty. Most colors meet LEED®, ENERGY STAR®, and cool roof certification requirements.
AIR VENT

AIR VENT

As trained specialist in attic ventilation, we know the importance of keeping your roof system cool and attic dry. Air Vent, Inc. is the company we trust to provide quality products, knowledge and expertise on some of our most challenging projects. As a registered installation contractor, we have all the materials, tools and support from a company dedicated in research, design and production of high efficiency attic ventilation systems.
ENGLERT

ENGLERT

Englert provides a comprehensive offering of metal roofing, wall panels, gutters and other roofing accessories. Additionally, the also provide the machinery for manufacturing. As an installation contractor, we’ve earned the Standing Seam Metal Roofing Installer Certification. This certification allows us to offer approved extended warranty protection others cannot. For manufacturing, we have been trained in the proper use and operation of roll forming equipment used in on-site fabrication. This eliminates shipping damage, short shipments and sizing errors in addition to providing packaging and freight savings. These machines are designed for experts, and we have the in-house skills and machinery to custom fabricate locally.
DECTEC

DECTEC

Dec-Tec™ offers unique PVC membrane waterproofing and roofing solutions for decks, balconies, walkways and other exterior surface applications. As a qualified Dec-Tec contractor, we have undergone extensive hands-on training and have been provided access to the manufacturers premium content library and professional portal. These resources allow us to better service our customers, and provide quick access to the technical knowledge and documentation required on many projects. Our company is also supported and recognized by the manufacturer as a Dec-Tec professional.
NRCA

NRCA

With NRCA ProCertification, we have demonstrated our substantial roofing skills and knowledge in each type of roof system installation. Our membership in the National Roofing Contractors Association, affirms our dedication to the roofing industry and shows are commitment to professionalism and advancement in the field.
VERISCO

VERISCO

Versico is the leading supplier of low-slope roofing products including EPDM, TPO, PVC and Versi Fleece membranes. Their products offering provides performance and convenience at a great value. As a Versico Certified Contractor, our training and hands-on installation experience insures the best field practices our being followed on each and every project.
EPA

EPA

The Environmental Protection Agency (EPA) has passed lead paint regulations for contractors, specialty contractors, property managers, and other individuals doing renovation work. These regulations cover people working in older homes, daycare facilities and schools built before 1978. Lead Renovator Certification is required to comply with the training and certification section of the regulations to become properly approved. This includes specialized work practices and procedures when working on these older homes or buildings. These procedures are designed to help prevent people, especially children under the age of 6 from being exposed and poisoned by lead paint or coated surfaces. Lead poisoning can have long term health effects. We are a LEAD-SAFE certified firm.
LIVE ROOF

LIVE ROOF

LiveRoof provides naturally functioning and beautiful built-in-place living roofs without the extensive ongoing cost of maturation. Their mission is to empower customers with systems, protocols and plants that make green roofs simple and lasting, accessible and serviceable. As a trained LiveRoof Certified Installer, we hold the certification necessary to install green roof projects for the company.
SSQ

SSQ

For 40 years, SSQ has been providing S1 quality slate and natural stone products to customers around the globe. As the highest grade achievable when tested to ATSM C406 standards, a minimum life expectancy of 75 years is expected. And when finished, you’re left with SSQ’s 100-year Weathertightness guarantee and an Insurance Backed guarantee covering materials and workmanship.
SLATE TEC

SLATE TEC

Cherished for their elegance and charm, genuine slate and handcrafted clay tile roofs have been installed on properties worldwide for centuries. However, the weight of these materials has considerably limited their availability to most home and business owners. Recognizing an opportunity to solve a challenge in the roofing industry, SlateTec created a patented roofing system that eliminates roughly 40% of materials needed in a traditional installation. This simple combination of an interlayment system and genuine materials makes for a roof that is easy to install, lighter weight, and cost-effective. Coupled with impressive warranties you’ll have peace of mind that your most treasured asset is protected for a lifetime.
CEDER SHAKE

CEDER SHAKE

The Cedar Shake & Shingles Bureau promotes the common interest of all members involved in the cedar shake and shingle roofing and sidewall business. As a Member Contractor/Installer, we have passed compulsory inspections and reference checks prior to approval by the Board of Directors. For many cedar shake and shingle suppliers, installation MUST be completed by a CSSB Member Contractor/Installer.

Licences

MHIC# 101803

MHIC# 101803

DC# 410518000630

DC# 410518000630

VA A# 2705154234

VA A# 2705154234

Insurance

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ABOUT US

Since 2009, DNB Construction has been providing residential and commercial roofing services in the Maryland, Virginia and Washington, D.C. marketplace. Focused on quality, they set themselves apart by bringing a higher level of attention and care to every project. From the smallest roof repairs to the largest custom home builds, they excel in the installation of asphalt/architectural shingles, natural/synthetic slate, cedar shake/shingles, copper, steel roofing systems and TPO membranes.

Through constant investments in state-of-the-art manufacturing equipment and continuous education of their employees, DNB Construction has brought cutting edge technology and the highest level of craftsmanship to every single customer.

Craftsmanship you can rely on,
service you will recommend.

CONTACT US

5710 Wicomico Ave.
Rockville MD 20852

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