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As colder weather approaches, taking proactive steps to manage seasonal risks can help reduce the likelihood of property damage, business interruption, and liability claims. The following recommendations outline general best practices for commercial properties in Ontario. Because local bylaws, fire code requirements, and building standards may vary, business and building owners should consult their municipality, local fire department, qualified contractors, and insurance provider for guidance specific to their property.
ROOF & BUILDING EXTERIOR
Monitor Snow Load on Roofs
Heavy snow accumulation, particularly in roof valleys and along eaves, can place significant stress on a building and contribute to water intrusion during freeze-thaw cycles. Monitor roof snow accumulation throughout the winter and arrange for safe removal by qualified professionals when necessary. Never allow untrained staff to access roofs unless proper safety procedures are in place.
Inspect Roof Flashing and Exterior Sealants
Inspect roof flashing, sealants, and exterior caulking for signs of deterioration, cracking, or separation. Prompt repairs by qualified contractors can help reduce the risk of water intrusion and moisture-related damage.
Clean Eavestroughs and Downspouts
Clean gutters and eavestroughs after leaves have fallen to help maintain proper drainage. Ensure downspouts discharge water away from the building foundation where appropriate and in accordance with local municipal requirements. Blocked or improperly draining systems can contribute to water infiltration and foundation issues.
WATER DAMAGE PREVENTION: PLUMBING & DRAINAGE
Check Sump Pumps and Backup Power
Check and test sump pumps before the winter season to ensure they are operating properly. Consider installing a battery backup or backup power source to help maintain operation during power outages caused by severe weather. Regular maintenance can help reduce the risk of water damage.
Consider Sewer Backwater Protection
Where appropriate for your building, consider discussing the installation of a backwater (backflow prevention) valve with a licensed plumber. These devices may help reduce the risk of sewer backup during periods of heavy rainfall or rapid snowmelt. Suitability depends on your property’s plumbing configuration and applicable municipal requirements.
Leak Detection and Prevention Systems
Consider installing water leak detection sensors in higher-risk areas such as mechanical rooms, near water heaters and sump pits, and under sinks. Sensors connected to an alarm or monitoring system can alert you or your property manager as soon as moisture is detected, allowing a faster response. Some systems can also automatically shut off the main water supply when a leak is detected, which can help limit water damage while the building is unoccupied.
FIRE & CARBON MONOXIDE SAFETY
Smoke and Carbon Monoxide Detection
Ensure smoke alarms and carbon monoxide alarms are installed where required and test them regularly according to the manufacturer’s recommendations. Replace batteries and units as needed. Early detection can help protect occupants and reduce the severity of property damage in the event of a fire or carbon monoxide incident.
Fire Extinguishers and Fire Suppression Systems
Have portable fire extinguishers inspected and maintained in accordance with applicable standards and manufacturer recommendations. If your business or building has a commercial kitchen or fixed fire suppression system, ensure it is inspected and serviced by a qualified contractor, typically quarterly or semi-annually depending on the system and how it is used. Requirements may vary depending on your occupancy type and municipality, so consult your local fire department or fire protection service provider if you have questions.
GROUND, WALKWAYS & LIABILITY
Maintain Snow and Ice Removal Practices
Walkways, entrances, parking lots, loading areas, and other pedestrian surfaces should be monitored and maintained throughout the winter to help reduce slip-and-fall hazards. Develop a documented snow and ice management plan, including regular inspections and timely snow removal or de-icing. If using a snow removal contractor, request proof of current liability insurance and retain service records where possible.
ADDITIONAL RESOURCES
For information on Ontario building and municipal requirements, consult your local municipality and the Government of Ontario:
For Ontario municipalities and local government, CLICK HERE!
For Municipal responsibilities in Ontario, CLICK HERE!
For Ontario Fire Code information, CLICK HERE!
This report is intended as general risk management guidance for Ontario businesses and building owners and is not legal, engineering, or insurance advice. Building requirements, municipal bylaws, and insurance policy terms vary. Business and building owners should consult their insurer, broker, local municipality, fire department, and qualified contractors to determine the recommendations applicable to their specific property and operations.
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