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Flat Roof Ottawa

Service area · Stittsville

Flat Roof Stittsville

Repairs, inspections and replacement for low-slope roofs on Stittsville's homes and its newer commercial buildings.

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The short answer

We serve Stittsville with flat roof repair, inspections and replacement. Stittsville has grown quickly, so many roofs here are relatively young. That changes the conversation: instead of whether an old roof is worn out, the useful questions are whether a specific detail was built well, whether drainage works, and how to keep a good roof in good condition.

Looking after a younger roof

A new or nearly new low-slope roof still benefits from attention. The first few winters reveal drainage problems and details that weren't finished well. A baseline inspection — with photographs of drains, flashings and penetrations — gives you a record to compare against and catches issues while they're small.

If you've recently bought a home or a commercial unit, a baseline inspection is also a sensible way to understand what you've inherited.

Residential low-slope sections

Flat sections over garages, porches and bays are common. They tend to fail at the same places: where the roof meets the wall, at the scupper or downspout, and around anything that penetrates the membrane, such as a vent or light fixture. Keeping the scupper clear and checking the wall junction after winter covers most of the risk.

Newer commercial plazas

Commercial strips in Stittsville often use single-ply membranes on large, simple roofs. The membrane field usually performs well; attention goes to rooftop unit curbs, drains and damage from trades walking to equipment. A walkway pad along regular service routes can be a worthwhile addition.

Questions we ask during an assessment

  • Where does water appear inside, and does it follow rain, snowmelt or both?
  • How old is the roof, and are there records of past repairs or re-roofing?
  • Which membrane is on the roof now — TPO, EPDM, SBS modified bitumen or an older built-up gravel roof?
  • Where does water drain — interior drains, scuppers or an eavestrough edge — and does it clear after a storm?
  • Is there rooftop equipment, a deck, skylights or a wall the roof meets?
  • How is the roof reached safely, and is the building occupied during work?

When replacement comes up

On younger roofs, replacement is uncommon unless there's a design issue — for example, a roof without enough slope to drain, or one built without adequate insulation that has developed condensation problems. In those cases a repair can't solve the underlying cause, and we'll explain why. Otherwise, targeted repairs and maintenance are usually the right answer.

Service area, not a branch office

Flat Roof Ottawa does not operate a branch office in this community. We travel to properties here from our Ottawa base, and the same assessment, written scope and quote process applies across the city.

References: City of Ottawa — Do I need a building permit? · NRC Energy RCI

Illustration of a house with a flat-roofed rear addition and membrane roof edge
Illustrative image — not a completed project.

Frequently asked questions

Is it worth inspecting a newer flat roof?

Yes. A baseline inspection records the roof's condition and catches early drainage or detailing problems before they cause damage.

What's the most common problem on garage flat roofs?

Leaks at the roof-to-wall junction and at scuppers or downspouts, often made worse by ice in winter.

Do you work on commercial roofs in Stittsville?

Yes. We inspect, maintain and repair low-slope commercial roofs, including flashings at rooftop units and drains.

Next step

Talk to us about your roof

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Request a roof assessment

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