Why Is My Roof Leaking?
- Alexandre Lauzière
- Jan 29
- 3 min read
A roof leak can cause significant stress for homeowners, especially with the unpredictable weather we get here in Ottawa. From heavy snowfalls in winter to spring rains and winds, your roof is constantly exposed to the elements. Read further to learn about common causes that can lead to roof leaks and find practical solutions to keep your home safe and dry.
Common Causes of Roof Leaks
Damaged or Missing Shingles
Exposed wood on roof is never a good sign.
Over time, harsh Canadian winters can take a toll on asphalt shingles. Freezing temperatures, ice, and heavy winds can crack or dislodge shingles, exposing your roof to water penetration.
Solution: Regularly inspect your shingles and replace any that are cracked, curled, or missing. Scheduling annual roof inspections can help prevent costly repairs.
Ice Dams
Ice buildup on roof
Ice dams occur when snow on your roof melts and refreezes at the edges, preventing proper drainage. This trapped water can seep under shingles and into your home, causing leaks and water damage.
Solution: Improve attic insulation and ventilation to prevent uneven heating on your roof. You can also use a roof rake to remove excess snow during the winter months. See our previous post on top winter roof maintenance tips.
Clogged Gutters
When gutters are filled with leaves, debris, or ice, water cannot flow freely, leading to pooling on your roof. Over time, this can result in leaks.
Solution: Clean your gutters regularly, especially during fall and spring. Install gutter guards to reduce the accumulation of debris.
Flashing Issues
Water diverter improperly installed
Flashing is the material that seals roof joints and prevents water from seeping in. If flashing is corroded, cracked, or improperly installed, it can lead to leaks.
Solution: Inspect the flashing around chimneys, vents, and skylights and walls. Repair or replace damaged flashing with high-quality materials to ensure a proper seal.
Aging Roof
Roof past its lifespan: Curled and damaged shingles with loss of granules.
Most roofs have a lifespan of 20–30 years, depending on the material. As your roof ages, it becomes more susceptible to wear and tear, increasing the likelihood of leaks.
Solution: If your shingles are curling or losing granules, it may be time for a roof replacement. Contact us for a free consultation—we’ll assess your roof’s condition and guide you on the best course of action.
Skylight Leaks
While skylights add natural light and beauty to your home, they can also be a source of leaks if not installed or sealed correctly.
Solution: Ensure proper installation and inspect the seal around your skylights regularly.
What To Do If Your Roof is Leaking
Contain the leak
Use a bucket or container to catch dripping water and minimize interior damage. Move furniture or valuables out of the affected area.
Inspect the roof
If it’s safe for you to do so and you feel comfortable, climb onto your roof to locate the source of the leak. Common spots include damaged shingles, flashing, or clogged gutters.
Call a roofing professional
DIY repairs may be tempting, but they can lead to more extensive damage if done incorrectly. Hiring a roofing contractor ensures the problem is fixed safely and effectively.
If you’re dealing with a roof leak, don’t wait until the problem worsens. Get in contact with a trusted roofing professional right away. Whether you need minor repairs or a complete roof replacement, our team is here to help.
Contact us today to schedule your inspection and protect your home from leaks and water damage.
By addressing roof leaks promptly and maintaining your roof regularly, you can ensure your home stays safe and dry no matter what the harsh weather brings!
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