Understanding Class 4 Impact-Resistant Asphalt Shingles
Class 4 impact-resistant asphalt shingles are the most durable and weather-resistant roofing materials available. Rated under the UL 2218 impact test, these shingles are designed to withstand severe hail, heavy storms, and high winds. This makes them an excellent investment for Canadian homeowners facing harsh weather conditions.
With increasing instances of extreme weather, insurance companies often provide premium discounts for homes with Class 4 shingles, making them a smart long-term investment.
How Class 4 Shingles Are Tested and Rated
The UL 2218 impact test is the industry standard for measuring a shingle’s durability. The testing process involves:
- Dropping a 2-inch steel ball from 20 feet onto the shingles.
- Observing whether the shingle cracks or tears.
- Rating the shingles on a scale of Class 1 to Class 4, with Class 4 being the most impact-resistant.
To pass as Class 4, shingles must show no signs of cracking or damage after multiple impacts. This level of protection is particularly beneficial in hail-prone areas across Canada, such as Alberta, Saskatchewan, and Manitoba.
Benefits of Class 4 Impact-Resistant Asphalt Shingles
1. Superior Weather Protection
These shingles can withstand hail, wind speeds up to 130 mph (209 km/h), and heavy snowfall. In regions where severe storms and hail are frequent, Class 4 shingles provide unmatched protection against roof damage.
2. Lower Insurance Premiums
Many Canadian insurance providers offer discounts for homes with impact-resistant shingles. This can lead to long-term savings on your homeowner’s insurance policy.
3. Extended Lifespan
Class 4 shingles have a longer lifespan (30-50 years) compared to traditional asphalt shingles. They require less maintenance and reduce the need for frequent repairs.
4. Aesthetic Appeal
Available in a variety of colors and styles, Class 4 shingles can enhance the curb appeal of any home while offering superior durability.
5. Energy Efficiency
Some Class 4 shingles are designed with cool roofing technology, reflecting more sunlight and keeping homes cooler in the summer, reducing energy bills.
Best Class 4 Impact-Resistant Asphalt Shingles Available in Canada
1. Owens Corning Duration Storm Shingles
Features:
- Patented SureNail Technology for better grip.
- Wind resistance up to 209 km/h (130 mph).
- Wide variety of colors.
Best For:
- Homeowners in wind-prone and hail-prone regions like Alberta and Manitoba.
2. CertainTeed Landmark IR (Impact Resistant) Shingles
Features:
- Reinforced with polymer-modified asphalt for extra durability.
- Excellent hail resistance and Class 4 impact rating.
- Available in multiple colors.
Best For:
- Homeowners looking for a blend of durability and aesthetics.
3. Malarkey Legacy Class 4 Shingles
Features:
- Made with NEX polymer-modified asphalt for superior flexibility.
- Scotchgard protection to prevent algae growth.
- High wind resistance (110-130 mph).
Best For:
- Those living in coastal and high-wind areas like British Columbia.
4. IKO Dynasty Performance Shingles
Features:
- ArmorZone Technology for superior durability.
- Reinforced shingle mat for better tear resistance.
- Available in deep, bold colors.
Best For:
- Homes in cold climates requiring high durability and longevity.
5. BP Mystique 42 IR Shingles
Features:
- Double-layer laminate for impact resistance.
- Designed for extreme Canadian weather.
- Algae-resistant granules for longer-lasting appearance.
Best For:
- Homeowners who want a budget-friendly yet durable Class 4 option.
How to Choose the Right Class 4 Shingles for Your Home
1. Consider Your Local Climate
- Hail-Prone Areas (Alberta, Saskatchewan): Go for Owens Corning Duration Storm or CertainTeed Landmark IR.
- Wind-Prone Regions (Atlantic Canada, BC Coast): Choose Malarkey Legacy for superior wind resistance.
- Cold & Snowy Areas (Ontario, Quebec): IKO Dynasty or BP Mystique 42 IR perform well under heavy snow loads.
2. Evaluate the Warranty
Look for manufacturers that offer lifetime warranties and coverage against wind, hail, and algae growth.
3. Check Insurance Discounts
Some insurers require certification to apply discounts. Check if your insurance provider offers savings for installing Class 4 shingles.
4. Choose the Right Color and Style
Class 4 shingles come in multiple colors and textures to match your home’s architecture. Consider options like slate-look, wood shake-style, or traditional asphalt aesthetics.
Cost of Class 4 Impact-Resistant Shingles in Canada
Price Breakdown (Per Square Foot Installed)
| Shingle Brand | Average Cost (CAD) |
|---|---|
| Owens Corning Duration Storm | $6.50 – $9.50 |
| CertainTeed Landmark IR | $6.00 – $9.00 |
| Malarkey Legacy | $7.50 – $10.00 |
| IKO Dynasty | $5.50 – $8.50 |
| BP Mystique 42 IR | $5.00 – $8.00 |
Factors Affecting Cost:
- Roof Size & Complexity – More slopes and angles increase labor costs.
- Installation Charges – Professional installation adds $2 – $5 per square foot.
- Location – Costs may be higher in remote areas due to transportation fees.
Frequently Asked Questions
Are Class 4 shingles worth the extra cost?
Yes. They last longer, require fewer repairs, and may reduce insurance premiums, saving money in the long run.
Do all insurance companies offer discounts for Class 4 shingles?
Not all, but many do. Contact your provider to check if you qualify for a home insurance discount.
Can I install Class 4 shingles over my old roof?
It’s not recommended. For best performance, remove the old shingles before installing new ones.
How long do Class 4 shingles last?
Most last 30-50 years, depending on maintenance and climate conditions.
Are there eco-friendly Class 4 shingles?
Yes. Malarkey Legacy shingles use recycled rubber and plastic, making them an environmentally friendly option.
Final Thoughts: Protect Your Home with the Best Roofing Investment
Class 4 impact-resistant asphalt shingles are the best choice for Canadian homeowners who want long-lasting protection against severe weather. While they come at a slightly higher price, the reduced maintenance, longer lifespan, and potential insurance savings make them a cost-effective investment.
If you live in hail-prone, wind-prone, or extreme cold regions, upgrading to Class 4 shingles ensures your home remains safe and secure for decades.
Need help choosing the best Class 4 shingles for your home?
Talk to a local roofing professional or check with your insurance provider about potential savings.