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| Photo: Bridgestone/Firestone |
First of all, no tire is designed exclusively for either ice or snow. Winter tires are in fact a mix of both, with a dominant snow or ice factor.
Ice Tires
The tread on ice tires is usually made up of blocks set very close together, many tiny incisions in the blocs ensuring a quieter performance.
In addition, the tread on ice tires is usually manufactured from a mix of silica (a chemical compound) that helps keep the rubber flexible in very cold temperatures and ensures optimal traction on ice. The ice tire is designed for people who frequently drive long distances on the highway, where the surface is icier.
Snow Tires
The tread on snow tires is most often made up of blocks set fairly far apart in order to ensure better grip in the snow.
There are a lot fewer incisions on snow tire blocks than on ice tire blocks. The rubber is harder than that of ice tires, which increases the tire's life expectancy, but cold weather traction isn't as good. However, it's important to mention that the worst snow tire is still safer than an all-season tire. People who need snow tires are those who don't put in a lot of mileage or that drive in the city or the country, where they're less likely to encounter icy roads.
Generally speaking, road conditions in Quebec are often icy rather than snowy. To purchase the right winter tires, you need to determine your needs according to the type of driving you do as well as your budget. Safety is the golden rule here!