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Roofing

Matériaux Pont Masson Blog

How to Know When to Replace Your Roof Shingles

Your roof is one of the most important components of your home. It protects you from harsh weather, cold, heat, and moisture. However, many homeowners wait too long before replacing their shingles, which can lead to costly damage. So, how do you know when it’s time to replace your roof shingles? Here are the key signs to watch for.


1. The Age of Your Shingles

Asphalt shingles typically last between 15 and 25 years, depending on their quality, installation, and weather conditions. In Québec and Ontario, harsh winters, freeze-thaw cycles, and strong winds can shorten their lifespan.

Good to know:
If your roof is approaching or has exceeded 15–20 years, even if it still looks fine, a professional inspection is strongly recommended.


2. Shingles That Are Curling, Cracked, or Lifting

One of the most obvious signs of an aging roof is shingles that are:

  • curling or buckling;

  • cracked;

  • lifting due to wind exposure.

These issues indicate that the shingles have lost their flexibility and sealing ability.


3. Granules in the Gutters or on the Ground

Asphalt shingles are coated with granules that protect them from UV rays and wear. Over time, these granules begin to loosen and fall off.

Warning sign:
If you notice a significant amount of granules in your gutters or around your home’s foundation, it’s a clear sign your shingles are deteriorating.


4. Water Leaks or Stains on Ceilings

Water infiltration should never be ignored. Even small brown stains on ceilings or walls can indicate:

  • damaged shingles;

  • worn underlayment;

  • ventilation or flashing issues.

The longer you wait, the more expensive repairs can become, as water can damage insulation, roof structure, and even cause mold.


5. Missing Shingles After a Storm

After strong winds or storms, it’s always a good idea to visually inspect your roof. Missing or displaced shingles expose your home directly to the elements.

A single missing shingle can sometimes be repaired, but if this happens repeatedly, a full roof replacement may be the best solution.


6. A Sagging Roof

A visibly sagging roof is a serious warning sign. It may indicate structural problems caused by:

  • prolonged water infiltration;

  • excess weight from snow or ice;

  • deterioration of the roof decking.

In this situation, it’s essential to consult a professional as soon as possible.


7. Rising Heating or Cooling Costs

An aging roof can lose its energy efficiency. If your home becomes harder to heat in winter or keep cool in summer, your roof could be part of the problem.

Replacing shingles and improving roof ventilation can increase comfort and reduce energy costs.


Repair or Replace?

A simple repair may be enough if:

  • the roof is relatively new;

  • the damage is localized;

  • the roof structure is in good condition.

However, if problems are frequent or widespread, replacing the shingles is often more cost-effective in the long run.


Trust the Experts at Pont-Masson

At Pont-Masson, we understand that your roof is a major investment. Our experts can help you:

  • assess the condition of your shingles;

  • choose the right materials for your home and Canada's climate;

  • determine the right time to replace your roof.

Not sure about your roof’s condition?
It’s always better to inspect it early before a small issue becomes a major repair.


Need Roofing Advice or Materials?

Visit us in-store or explore www.pontmasson.com to discover our selection of shingles, roofing accessories, and expert advice.

Matériaux Pont Masson Blog

Polyglass Products Now Available at Our Mirabel Branch!

Good news!
We’re excited to announce that Polyglass products are now available at our Mirabel branch.

Known for its innovative waterproofing solutions, Polyglass offers a complete range of high-performance roofing and waterproofing membranes. Whether you're a contractor, roofer, or homeowner, choosing the right products is essential to ensure the durability and performance of your roof.


Why Is It Crucial to Choose Quality Waterproofing Products?

Waterproofing is one of the most critical elements in roof installation and maintenance. A poor choice or careless installation can lead to water infiltration, structural damage, and high repair costs. Here’s why it’s essential to opt for high-performance waterproofing products:

Protection Against Water Infiltration
A poorly protected roof can allow water to seep in, causing mold, rot, and premature deterioration of materials.

Prevention of Structural Damage
Excess moisture can weaken the building’s structure and reduce the strength of the foundation, leading to costly repairs.

Improved Energy Efficiency
A well-sealed roof helps maintain a stable indoor temperature, reducing heat loss in winter and cool air loss in summer.

Extended Roof Lifespan
With quality waterproofing products like those from Polyglass, your roof will benefit from enhanced protection against weather and wear, extending its lifespan.


Why Choose Polyglass Products?

✔️ Advanced Technology: Self-adhesive and SBS-modified membranes for increased resistance
✔️ Superior Durability: Designed to withstand the harshest weather conditions
✔️ Easy Installation: Practical solutions that save time on your job sites


Visit Us at Our Mirabel Branch
Address: 9070, route Sir-Wilfrid-Laurier, Mirabel (Saint-Canut), J7N 0T2
Contact Us: 450-438-8898

Don’t miss this new arrival—make sure you have the best materials for your projects!