Commercial roofing services
- Leak investigation and repair on TPO, EPDM, modified bitumen and built-up roofs. See flat roof repair.
- Roof replacement and recover with tapered insulation to correct ponding. See flat roof replacement.
- Preventive maintenance programs: scheduled inspections, drain cleaning and minor repairs, with a written report each visit. See roof maintenance.
- Rooftop equipment details: HVAC curbs, pipe supports and penetrations sealed and flashed
- Storm response: emergency protection and damage documentation for property managers
- Pitched commercial roofs: shingle roofs on churches, small offices and residential-style commercial buildings
Who we work with
Our commercial clients are mostly small to mid-size properties: neighborhood retail, professional and medical offices, places of worship, private schools and small apartment or condominium buildings. That describes much of the building stock along Wisconsin Avenue, Old Georgetown Road and Rockville Pike, and in the mixed-use areas of the Pike District. We work with owners, property managers and boards, and schedule noisy work around tenants and business hours where possible.
Condominiums and HOAs: a licensing note
Maryland's Home Improvement Commission regulates work on residential buildings, but its definition of home improvement excludes work on commonly owned areas of condominiums and on buildings with four or more single-family units. That means MHIC Guaranty Fund protection may not apply to roofing work on many condominium and multifamily roofs. Associations should check insurance certificates, written warranties and references carefully before hiring.
Planning a roof replacement around your budget
Commercial roofs rarely fail all at once. A condition survey with core samples and moisture readings shows which areas are wet and which are sound, so you can choose between targeted repair, a recover over dry areas, or a full tear-off, and plan capital spending over several years instead of reacting to leaks.
- Structural deck: wood or steel decking on joists.
- Tapered insulation: boards cut to a slope, so a "flat" roof actually drains.
- Membrane: TPO, EPDM or modified bitumen; the continuous waterproof layer.
- Wall flashing: membrane turned up the wall and secured with a termination bar. Most flat-roof leaks start here.
- Coping cap: metal cap that sheds water off the top of the parapet.
- Drain at the low point, with a strainer to keep leaves out. Keep it clear.
- Positive drainage: water moves to the drain instead of ponding and aging the membrane.
Low-slope roofs in downtown Bethesda and the Pike District
Commercial roofs in our service area are overwhelmingly low-slope membrane roofs on retail, restaurant, office and mixed-use buildings along Wisconsin Avenue, Woodmont Avenue and Old Georgetown Road in downtown Bethesda, and along Rockville Pike through the Pike District and the Rock Spring office area. What shortens their life is usually not weather. It is traffic and equipment: service technicians walking the same route to the same rooftop unit until the membrane wears through, grease from restaurant kitchen exhaust landing downwind of the hood and chemically degrading the surface, condensate lines discharging on one spot year-round, and layers of added conduit, antennas and satellite mounts penetrating the field without proper curbs. A roof survey here is as much an inventory of what has been added since the last replacement as an assessment of the membrane.
Drainage is the other recurring issue, and it is seasonal for the same reason residential gutters are. Internal drains, scuppers and overflow outlets on these buildings collect the same oak and maple debris that fills gutters in the surrounding neighborhoods, and once they block, water ponds over an occupied tenant space. That is both a leak risk and a live structural load, which matters most in a heavy wet snow. Scheduled drain clearing paired with a documented roof walk twice a year is the cheapest line item on any commercial roof budget, and it is the work that keeps a membrane reaching its rated life. We handle it under the same programs as residential roof maintenance, with written condition reports suitable for owners and boards in the format described under roof inspection.
Working over occupied tenants is its own discipline. Restaurants, medical suites and offices are sensitive to odor, noise and access disruption, so hot work and adhesive odors get scheduled against their hours rather than ours, storefront entrances and loading areas stay protected and open, and roof access is coordinated through property management with notice to the tenants affected. For owners and managers we separate the work into two tracks and budget them differently: keeping the current roof watertight through targeted flat roof repair, and planning the capital project through flat roof replacement with drainage and insulation corrected at the same time. On buildings with sloped sections or mansard facades, those areas are handled alongside under roof repair.
Commercial Roofing across Bethesda, North Bethesda and Chevy Chase
We provide commercial roofing throughout southern Montgomery County, including Bethesda, MD (20814, 20816, 20817) , North Bethesda, MD (20852) , and Chevy Chase, MD (20815) . Each area page covers the housing types, permit considerations and storm history particular to that community.
Frequently asked questions
What is the best commercial roof system?
There is no single best system. TPO is widely used for its reflective surface and welded seams. EPDM is durable and easy to repair. Modified bitumen holds up well to foot traffic. The right choice depends on drainage, rooftop equipment, traffic and budget.
Can you work while our business is open?
Usually, yes. We plan staging, noise, odors and safety zones around your hours and tenants, and phase larger projects so parts of the building stay fully protected.
Do you provide maintenance contracts?
Yes. Scheduled inspections, typically spring and fall plus after major storms, with drain cleaning and minor repairs, are the most cost-effective way to extend a commercial roof’s life.