GCI Home Improvements

Expert Roofing and Repairs,

Windows, Siding, & Gutters

Experienced in all Roof Types; Fast, Quality Work

Founded in 1996, GCI is one of the top-rated local companies in the Washington, DC metropolitan area. The same crew has been working together for over 15 years.

We take pride in our work and have satisfied the most demanding clientele. The owner personally inspects all completed roof installations before you pay. 

Because GCI is foreman-owned, our costs are lower and we pass these savings on to you. Estimates are often as much as 20% less than our competitors! 

About Us



We are specialists in new roofs, including the following roof types:

  • Slate, Faux slate, Copper, Aluminum, Asphalt/Fiberglass, Wood/Cedar Shake, Faux cedar shake, Flat Roofs (CertainTeed Flintlastic SA)

Windows & Siding


  • We install 32-gauge seamless aluminum gutters with screwed-in hidden hangers and seamless downspouts. We also offer half-round gutters with metal brackets and round downspouts in aluminum or copper, as well as several anti-debris gutter systems.


Our certified technicians have installed 1000s of roofs of all types. They are fast, clean, and respect your property.

GCI Certifications

State Licenses

  • Virginia Class A License #2705 126922A
  • Maryland MHIC License #99466



  • We automatically extend a 10-year non-prorated guarantee on all new roof installations and currently hold guarantees for over 3000 local jobs.


"High quality work, performed on a timely basis, as was your first roofing job for us 9 or 10 years ago..."  Read more

"Initial contact and estimate were simple and complete..."   Read more

"It has been two months since the work, roofing and vinyl siding, was completed on our home by your company. To say the least we are extremely happy that we granted you the contract..."   Read more

We were delighted to see that the roofing crew took extreme care not to damage our landscaping and carefully collected all debris at the end of each day..."   Read more

"Before we hired GCI to replace our roof and gutters, we got several estimates.
One company was almost $6,000 higher. No one but Mr. Etienne, the estimator, identified the mold in the wood..."   Read more

"What Joe [the estimator] didn't know is that I'm a retired roofer. Joe gave me a senior discount and no pressure estimate without trying to pull the wool over my eyes..."   Read more

Request a Free Estimate

Joe Etienne, 703-655-4269

Complete the form below or call today!

"You do not need to be home for the appointment. I will send you my report and will meet with you at your convenience if you want me to."

Joseph Etienne, Estimator  

703-655-4269 (Virginia)  or 301-467-0603 (Maryland)  


GCI Home Improvements

Centreville, VA 20120 and Bethesda, MD 20817