Gaithersburg, MD

Number One Roofing & Siding Contractor in Gaithersburg

Topper Construction Serving Gaithersburg, MD

For exterior construction, remodeling, and repairs in Gaithersburg, MD, we do the best job at the best price. Our roofing and siding services have been topnotch since our founding in 1988. Through three decades, our customers have come away happy with the results of our contract work and we have always made it a point to prioritize quality.

Our headquarters is located in Frederick, Maryland, but we have branch offices. This helps us serve customers in the greater Mid-Atlantic area. Thus far, we have catered to over 75,000 homes but hope to soon expand that even more. We are available to work on both residential and commercial roofing and siding projects.

Excellence & Quality for Roofing & Siding in Gaithersburg, MD

We, at Topper Construction, put a lot of emphasis on making sure that the final product of every contract will be up to our standards. We don’t simply stop at getting the job done. We make sure that it will be done in the best possible way. That’s why customers in Gaithersburg, MD can rest assured that when we are working on their homes or commercial properties, it will be done right.

Our Quality Services for Gaithersburg, MD

Every customer can count on us to provide them with only the best in terms of roofing services in Gaithersburg, MD. Our aim is to make sure that the residential homes or commercial projects that we will be contracted to work on will be protected from natural elements. Those protection will also last for a very long time and the repairs or maintenance will be minimal.


We guarantee that our roofing services are some of the best in the business. We install sturdy, tough, and reliable shingles and supports. We also offer roofing with a wide variety of options in Gaithersburg, MD. 

Siding & Shutters

Sidings protect homes from all kinds of hazards from the environment and harsh weather. Some sidings are also better than others at protection while some are more sought after due to their aesthetic appeal.

Foundation Waterproofing

Foundation Waterproofing

In order to prevent flooding in a residential building’s basement or commercial property’s foundation, waterproofing needs to be done. Our service involves using the Watchdog Waterproofing H3 sealant to do the job. 

Foundation Waterproofing

Gutters & Downspouts

When installing, repairing, or cleaning gutters and downspouts, it’s best to have it done by a professional. This will make sure that there won’t be any damage done to the house or commercial property.

Accreditated & Qualified for Roofing & Siding in Gaithersburg, MD

Topper Construction is a proudly accredited roofing service provider with all of the necessary qualifications that are necessary for authorized operations. All of the jobs that we do come with all of the benefits and guarantees that will put the minds of customers in Gaithersburg, MD at ease. 

GAF Master Elite Weather Stopper Roofing Contractor

TAMKO Pro Certified

CertainTeed Certified Shingle Master Applicator

HAAG Certified

Duradek Authorized Applicator

Vinyl Siding Institute

View Our Work

About Us

Since 1988, Topper Construction has grown to become one of the largest roofing and siding contractors in the Mid-Atlantic region. We are headquartered in Baltimore County, Maryland with a satellite office in Pittsburgh and provide a full-range of exterior building solutions to homeowners, new home builders and roofing contractors. For over three decades, we’ve installed roofing and/or siding on more than 75,000 new and existing homes in five states and the District of Columbia in addition to successfully completing more than 250 commercial projects. With our decades of experience and our commitment to providing clients with quality work at a competitive price, we’re your roofing and siding partner.

We’re a Roofer and Sider You Can Trust