Window Tinting Laws in Canada: A Province-by-Province Guide
Tinted windows offer privacy, UV protection, and style – but every Canadian province has strict rules about how dark you can go. This guide breaks down the legal limits, enforcement, and key considerations for car window tinting across Canada.
Canadian Window Tinting Regulations at a Glance
Light Transmission Requirements by Province
(Lower % = darker tint)
| Province | Front Side Windows | Rear Side Windows | Rear Window | Windshield |
|---|---|---|---|---|
| Ontario | 30% VLT | Any darkness | Any darkness | Top 6″ only |
| Quebec | 70% VLT | Any darkness | Any darkness | Top 6″ only |
| BC | 35% VLT | Any darkness | Any darkness | Top 10cm |
| Alberta | 50% VLT | Any darkness | Any darkness | Top 12.5cm |
| Manitoba | 50% VLT | Any darkness | Any darkness | Top 15cm |
| Saskatchewan | 50% VLT | Any darkness | Any darkness | Top 10cm |
| Nova Scotia | 35% VLT | 35% VLT | 35% VLT | Top 15cm |
| NB/PEI/NL | 35% VLT | Any darkness | Any darkness | Top 15cm |
VLT = Visible Light Transmission (higher % means more light passes through)
Key Rules to Remember
-
Front Side Windows are always most regulated
-
Medical Exceptions exist in most provinces (requires doctor’s note)
-
Reflective Tints are typically prohibited
-
Enforcement happens during:
-
Traffic stops
-
Safety inspections
-
Border crossings
-
Provincial Highlights
Strictest Regulations
-
Ontario (30% front)
-
Quebec (70% front) – lightest allowed in Canada
-
Nova Scotia – only province regulating rear windows
Most Lenient
-
Alberta/Manitoba/Saskatchewan (50% front)
-
Most provinces allow any darkness for rear windows
Consequences of Illegal Tint
-
Fines ($100-$300 typically)
-
Forced removal of tint
-
Failed safety inspections
-
Insurance complications after accidents
Professional Installation Tips
-
Always get certification paperwork from installer
-
Ask about province-specific warranties
-
Consider ceramic tints – better heat rejection at legal darkness
-
For SUVs/vans: Verify if rear windows have factory tint
Medical Exemption Process
-
Obtain doctor’s note specifying need for darker tint
-
Submit to provincial transportation ministry
-
Receive official exemption certificate
-
Keep copy in vehicle at all times
Best Practices
✔ Get tint measured professionally before installation
✔ Check municipal bylaws (some cities have additional rules)
✔ Remove tint before selling vehicle to avoid complications
✔ Clean tinted windows with ammonia-free products
Future Trends
-
Some provinces considering updated UV protection standards
-
Potential harmonization of regulations
-
Advancements in clear UV-blocking films
Whether you’re in strict Ontario or more lenient Alberta, knowing these rules will keep you legal and safe on the road. Always verify with local authorities before tinting, as regulations can change.
Need help finding a certified installer in your province? Check the Canadian Window Tinting Association website for approved professionals.
