What is Class 4 asphalt roofing and is it worth it?

In many parts of Canada, homeowners are experiencing more frequents severe weather events. From hailstorms and high winds to heavy rain and snow, your roof is your home's first line of defence against damage.

If you're planning a roof replacement, you may have come across Class 4 asphalt shingles. Designed to offer greater impact resistance than standard asphalt roofing materials, they can help reduce weather-related damage and improve your home's resilience over time.

Here's what Class 4 asphalt roofing is, how it works, and why more homeowners are considering it.

Class 4 is the highest impact-resistance rating typically available for asphalt shingles. The rating indicates that roofing materials have been tested to withstand impacts that could damage standard shingles, helping reduce the risk of cracks, punctures, and other weather-related damage.

For homeowners, that means added protection against common roofing hazards such as hail, flying debris, and severe storms.

Class 4 asphalt shingles are designed to offer the highest level of impact resistance available for asphalt roofing. Unlike standard shingles, they’re engineered to better withstand damage from hail and debris, making them especially beneficial in areas prone to severe storms.

This added durability matters. In hail-prone regions, traditional roofs may need to be replaced every 7 to 10 years due to repeated damage. A Class 4 roof, however, is built to absorb impacts and resist cracking, helping extend the life of your roof even in challenging conditions.

For many homeowners, a more durable roof means fewer disruptions, less worry after a storm, and greater confidence that their home is better protected.

While Class 4 asphalt shingles may cost more upfront than standard roofing materials, many homeowners find the added durability worth the investment.

Because they're designed to better withstand hail and impact damage, they may require fewer repairs and can help reduce the likelihood of premature roof replacement. Taking a proactive approach by investing in stronger building materials can help you avoid unexpected repair costs and extend the life of your roof.

The long-term value often depends on where you live. In areas that experience frequent hailstorms, high winds, or severe weather, reduced maintenance and repair costs may help offset the higher upfront expense over time.

As weather patterns become more unpredictable, many homeowners are also looking for practical ways to improve their home's resilience. Upgrading to a Class 4 asphalt roof can help reduce vulnerability to weather-related damage while providing longer-term protection for one of your home's most important systems.

Because Class 4 impact-resistant shingles are designed to reduce weather-related damage, they may lower the likelihood of certain insurance claims following hail or wind events.

Many insurers recognize the value of resilient building materials when assessing risk. Depending on your insurer, location and policy, installing a Class 4 roof may influence available discounts or pricing.

If you're considering a roof upgrade, it's worth speaking with your insurance broker to understand how impact-resistant roofing could affect your insurance.

Even the most durable roof needs regular upkeep. Routine maintenance helps ensure your roof continues to perform at its best and maximizes its lifespan.

To get the most out of your roof and help keep your home protected, add these simple tasks to your seasonal home maintenance checklist:

No roof can prevent every type of damage, but choosing more resilient options can help reduce risk and improve your home's ability to withstand severe weather.

For homeowners considering a roof replacement, Class 4 asphalt roofing offers an opportunity to invest in greater durability, fewer repair concerns, and long-term protection.

Thinking about a roof upgrade? Talk to your broker about how your home insurance policy can help protect your home — and whether upgrading to a Class 4 roof could make a difference.