Capitol Improvements Washington DC - Roofing | Siding | Doors

Commercial Verified

1015 15th St NW #635, Washington, DC 20005, Washington, DC

5.0(74 reviews)

EPDM (Rubber)Modified BitumenTPO (Thermoplastic)Metal/Standing SeamRoof Coating SystemsSteep-Slope/Shingle

About

Capitol Improvements Washington DC operates in one of the country's most flat-roof-dominant urban markets, where rowhouses, mixed-use corridors, and commercial buildings demand specialized low-slope expertise that most general contractors simply lack. The family-owned company explicitly acknowledges the unique installation challenges of working in Washington DC — dense traffic, logistically demanding material handling, and a climate defined by frequent rain, high humidity, and wide seasonal temperature swings — positioning them as a go-to resource for property managers and facility managers who cannot afford shortcuts on waterproofing. Their flat roofing work centers on EPDM rubber membrane and modified bitumen torch-down systems, both well-suited to DC's rowhouse stock and low-slope commercial inventory. For facility managers overseeing office buildings, retail storefronts, government-adjacent properties, or multifamily assets along DC's historic corridors, Capitol Improvements brings hands-on experience with the membrane systems most commonly found on these building types. Metal roofing is also offered, extending their capability to institutional and mixed-use structures requiring longer service life and minimal maintenance cycles. The company advertises lifetime manufacturer-backed warranties, which is a meaningful data point for facility managers negotiating long-term asset protection on commercial properties. While the website skews toward residential language in several sections, their stated commercial roofing division and demonstrated flat roofing specialization make them a credible candidate for smaller commercial accounts, light mixed-use projects, and building owners managing DC-area assets who need a contractor already acclimated to the city's permitting environment and access constraints. Free quotes are available, and financing options are promoted for qualified projects.