Flat roof repair in Central Ontario
Leak repair, repairs, replacement and maintenance of flat roofs in 4 cities across central Ontario, for homes and businesses.
Flat roofs in central Ontario
Central Ontario sits in the snow belt east of Georgian Bay. Design snow loads in Barrie, Orillia and Collingwood are among the higher ones in southern Ontario.
Flat roofs here need clear drains before winter, sound flashings at parapets and rooftop units, and an eye on ice during the spring melt.
Cities in Central Ontario
Roof design climate by city
| City | Ground snow load | 15-minute rain | January design temperature |
|---|---|---|---|
| Barrie | 2.5 kPa | 28 mm | -24 °C |
| Orillia | 2.4 kPa | 25 mm | -25 °C |
| Peterborough | 2 kPa | 25 mm | -23 °C |
| Collingwood | 2.7 kPa | 28 mm | -21 °C |
Source: Ontario Building Code, Supplementary Standard SB-1, Table 1.2. Values are design figures, not forecasts.
What this means for your roof
Design snow loads are heaviest in Barrie, Collingwood. Roofs there need sound flashings at parapets and units, clear drains before winter and a plan for drifts.
Whatever the climate, most leaks start at details: seams, flashings, drains, vents and skylights. See roof problems for causes and fixes.
Starting prices
| Item | Starting price |
|---|---|
| Small leak repair (patch, seam or puncture) | from $350 per repair |
| Roof inspection with written photo report (house) | from $250 per roof |
| House flat roof replacement (about 1,000 sq ft) | from $8,000 per roof |
| Commercial roof replacement | from $8 per sq ft |
Starting prices in CAD before 13% HST, based on typical Ontario contractor rates (mostly Toronto and the GTA). The final price depends on roof size, access, the layers to remove, the membrane, drains and flashings, and is confirmed in your written quote.
Flat roof work in Central Ontario
Do you work outside the cities listed for central Ontario?
Often, yes. Tell us the town in the quote form. Smaller towns are quoted with travel time included.
Which roofs do you work on in central Ontario?
Houses, townhouses, garages and additions, condo and apartment buildings, plazas, offices and warehouses. See property types.
Which flat roof material suits this climate?
EPDM, TPO, PVC and modified bitumen all perform in Ontario when installed and detailed well. See choosing a flat roof material.
Leak, damage or an old flat roof?
Send a few details and photos. We reply by email with next steps and a written quote.