Flat roof repair in Woodstock

Flat roof services in Woodstock

Many homes in Woodstock are rented, so a roof leak is often reported first by a tenant, then handled by a landlord or property manager. We find where the water gets in, fix that spot and tell you how much life the rest of the roof has.

When a roof is past repair, we replace it with EPDM, TPO, PVC or modified bitumen, and fix the drainage so water does not sit on the new membrane. Owners and property managers also book inspections and maintenance visits.

Victorian west end and a new auto plant in Woodstock

Woodstock was a market city for the surrounding farms, with an electric streetcar from 1900 to 1920 and a Victorian west end along Vansittart Avenue. Dundas Street is the downtown main street. In 2005 Toyota announced its plant in the northeast end, and the Pattullo Ridge Business Park near Highway 401 holds more industry. Census data shows about 28% of homes pre-date 1961 and about 28% were built from 2001 on.

The old core has brick commercial blocks and larger houses with additions, where flat roofs over rear kitchens and porches are a common repair. Industrial buildings in the northeast and the business park, including a very large distribution warehouse, are low-slope. Newer subdivisions around the city have townhouses and apartment buildings with membrane roofs. The two halves of the city's building stock call for different approaches, with older masonry details in one and large, simple low-slope roofs in the other.

Woodstock weather and your flat roof

Ontario's Building Code sets the climate values used to design roofs in each municipality. They show what a flat roof in Woodstock has to handle.

• 1.9 kPaGround snow load (about 40 lb per sq ft)
• 0.4 kPaRain load added to snow (Sr)
• 28 mmRain in a 15-minute storm (design value)
• 113 mmRain in one day, 1-in-50-year storm
• -19 °CJanuary design temperature
• 3,910Heating degree-days per year
• 0.44 kPaHourly wind pressure, 1-in-50-year

That snow load is about 2.1 times the Toronto figure. Snow drifts against parapets, walls and rooftop units, and the weight sits on the roof for weeks. Drains that freeze shut leave meltwater nowhere to go.

A design storm can drop 28 mm of rain in 15 minutes. On a flat roof that water has to reach a drain or scupper quickly, so clear drains and sound drain flashings matter as much as the membrane.

Source: Ontario Building Code, Supplementary Standard SB-1, Table 1.2

Homes and buildings in Woodstock

The age and type of buildings shape the flat roofs we see. These are the 2021 Census figures for Woodstock.

• 50%Homes built before 1981
• 28%Homes built since 2001
• 65%Detached and semi-detached houses
• 12%Row houses and townhouses
• 9%Apartments in buildings of 5+ storeys
• 35%Households that rent

35% of households in Woodstock rent. Landlords and property managers can send photos and the tenant's description of the leak, and we reply with the scope and a quote by email. See apartment buildings.

Source: Statistics Canada, 2021 Census Profile

Woodstock: facts for property owners

• Population of Woodstock: 46,705 (2021 Census). Source
• Woodstock is part of the Oxford County.

Rules and programs change. Confirm current details with the municipality before you start work.

Starting prices in Woodstock

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.

See all prices.