Canadian Underwriter

How brokers can stop a flooded basement

April 16, 2019   by David Gambrill

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A recent study suggests brokers have a golden opportunity to talk to homeowners one-on-one about how to protect homes from basement floods.

With the right information and often for less than $500, homeowners can protect themselves from the increasing risks of basement floods, according to a report from the University of Waterloo. The study suggests homeowners are looking to people they trust — such as brokers — to provide the right information.

“Our project tested the effectiveness of various outreach approaches to motivate residents to address basement flood risk,” said Cheryl Evans, director of the Home Flood Protection Program (HFPP) at the Intact Centre on Climate Adaptation. “Sending out flyers and posting tips on social media helps to raise awareness, but that is not enough. Residents trust advice from flood-impacted neighbours, insurance providers and even informed staff at hardware stores…

“One-on-one conversations with people they trust make all the difference for many people.”

What information can brokers provide to their clients about basement flooding?

The HFPP studied results from home flood risk assessments completed by flood risk assessors at more than 500 homes in southern Ontario and Saskatchewan in 2017 and 2018. Based on the study, the report reveals the Top 10 ways for homeowners to protect themselves against basement flooding; several of the items cost less than $500 and can be done over the weekend.

Home assessments in Ontario found a number of common issues inside the home, including:

  • no backup sump pump, or backup power to run the sump pump in case of emergency (85%)
  • basement furniture and electronics at risk of water damage (71%)
  • lack of maintenance of backwater valves (53%)
  • failure to maintain sump pumps (40%)

Outside the home, the assessments revealed:

  • window wells lower than 10 to 15 cm above grade (82%)
  • downspouts that deposit water less than two meters from the foundation (78%)
  • poor grading that directs water towards the foundation (69%)
  • cracks or gaps in the basement windows (63%)

Homeowners in the study cited cost as the Number 1 reason why they did not complete the repairs or installations necessary to prevent basement floods. But the price tag paled in comparison to the average price to repair a flooded basement — $43,000 in 2018.

Sixty percent of study participants reported completing actions that cost under $500 and could be done by a “handy” homeowner generally within a day. Examples included: storing valuables in waterproof containers or removing them from the basement; cleaning out eavestroughs; installing window well covers; and extending downspouts and sump pump discharge pipes to a minimum of two metres away from the foundation.

Forty percent of participants completed actions that were more complex, costly and often required the support of qualified contractors. The cost of completing these actions ranged widely from $500 to over $10,000. Some of these actions included installing a backwater valve, backup sump pump or backup battery; re-lining or replacing a sewer lateral; installing a sewer lateral cleanout; replacing basement windows; replacing eaves troughs; replacing a driveway; and installing window wells.

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1 Comment » for How brokers can stop a flooded basement
  1. This is incorrect: “But the price tag paled in comparison to the average price to repair a flooded basement — $43,000 in 2018”. The CBC Ombudsman reviewed this cost and found it was based on the Toronto 2013 flood only, not an average of floods. So its was based on one unique severe flood. This is the Ombudsman review: – the Intact Centre confirmed this for the Ombudsman. The CBC has corrected a recent story to clarify this fact, in this article there is a correction “An earlier version of the story also said that the average cost to Toronto homeowners of damage from floods in 2018 was $43,000. In fact, that figure was an estimate of costs of the July 2013 floods.”

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