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Water damage and mould remediation in Ottawa

Restoration firms for drying and mould removal.

15 pros in Ottawa

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Ottawa–Gatineau has seen what a river can do to a basement. Ontario's independent review of the 2019 floods says months of wet weather, then heavy rains and snowmelt in late April and early May, caused record Ottawa River flows and severe flooding along the Ottawa. After water like that, drying and mould work are about speed and about the cause. Health Canada recommends controlling dampness indoors and cleaning up any visible mould, whichever type is present, so ask any trade how they will dry the space and not only clean the surface. Water often returns through the same weak point, so ask what they found and what they advise. If you are in Ottawa, the city's Residential Protective Plumbing program gives financial assistance to qualified property owners for devices such as sump pumps, so ask whether a recommended fix could fall under it. Get the scope of work, the drying steps and the clean-up in writing before you agree.

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What to know in Ottawa

  • Ontario's independent review of the 2019 floods says months of wet weather, then heavy rains and snowmelt in late April and early May, caused record Ottawa River flows and severe flooding along the Ottawa.

    Government of Ontario (source, opens in a new tab)

Before you hire

  1. Ask how fast they will start drying: Health Canada says a home dried within 48 hours is less likely to grow mould.

    Source: canada.ca (source, opens in a new tab)

  2. Health Canada suggests professional help for extensive mould, meaning a patch larger than 3 m².

    Source: canada.ca (source, opens in a new tab)

  3. Get written quotes from at least three contractors for the same work, and check references from recent clients.

    Source: ised-isde.canada.ca (source, opens in a new tab)

Questions about hiring in Ottawa

What should a quote for water damage and mould work include?

Ask for the areas to be treated, the drying method and how long it will run, how mould will be removed and contained, what will be thrown out, and what is left for repair. Get it in writing, with the cause of the water noted, so you can compare quotes on the same basis.

Do I need to clean up mould even if I don't know which type it is?

Health Canada recommends controlling dampness indoors and cleaning up any visible mould, whichever type of mould is present. So the type is not a reason to wait. Ask the trade how they will fix the moisture source so the mould does not come back. Health Canada (source, opens in a new tab)

Is there help in Ottawa for protecting a basement from water?

The City of Ottawa's Residential Protective Plumbing program gives financial assistance to qualified Ottawa property owners for protective plumbing devices such as sump pumps. Check the program's conditions before work begins, and ask the trade what they recommend after the cleanup. City of Ottawa (source, opens in a new tab)

What backwater rule applies in Gatineau?

In Gatineau, the foundation drain must also be protected by a backwater valve, and each backwater valve must be kept in good working order. After a water loss, ask whether the valve was checked and whether it needs work. Ville de Gatineau (source, opens in a new tab)

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