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June 5, 2025Roof Leak Repair: 7 Common Causes and How to Fix Them Fast
Caption
A roof leak is every homeowner’s nightmare—especially when you see water leaking from the ceiling during a rainstorm. Not only is it stressful and inconvenient, but a roof leak can also lead to serious issues like mold growth, electrical hazards, and water damage in the ceiling that weakens your home’s structure.
The good news? Most roof leaks stem from common issues, and with prompt action, you can fix roof leaks before they spiral out of control.
At 247-365.ca, we specialize in fast, reliable roof leak repair. In this blog, we’ll cover the 7 most common causes of roof leaks—and how to fix them quickly to protect your home.
1. Damaged or Missing Shingles
Cause:
Strong winds, hail, or age-related wear can crack, curl, or blow off shingles, leaving the roof underlayment exposed. Once exposed, rainwater can easily seep into your home.
Signs:
Granules in the gutters
Shingles that appear lifted or missing
Water leaking from ceiling after storms
Fix:
If only a few shingles are missing, a roofer can replace them quickly. If large sections are damaged, you may need partial or full roof replacement. A timely roof leak repair New market will prevent the issue from spreading.
2. Flashing Failures
Cause:
Flashing is the thin metal sheet that seals joints on your roof—around chimneys, vents, and skylights. Over time, flashing can rust, crack, or come loose, allowing water in.
Signs:
Water stains near chimneys or skylights
Drips after rain around roof penetrations
Water damage in the ceiling near roof features
Fix:
A professional will remove damaged flashing and reseal the area with new flashing and waterproof sealant. Routine inspections can help catch this problem early.
3. Clogged Gutters
Cause:
Gutters that are blocked by leaves, debris, or ice dams prevent water from draining off the roof. This forces water to back up under shingles or fascia, leading to leaks.
Signs:
Overflowing gutters during rain
Moisture or rot along roof edges
Water leaking from ceiling near exterior walls
Fix:
Clean your gutters at least twice a year. Installing gutter guards can help prevent buildup. In winter, consider heat cables to prevent ice dams. If damage has already occurred, a roofer can repair affected areas and improve drainage.
4. Cracked Roof Vents or Pipes
Cause:
Plumbing vents, attic fans, and other roof penetrations are often sealed with rubber boots or flashing. Over time, UV rays and weather cause them to deteriorate.
Signs:
Dripping sounds or moisture near vents
Mold or mildew around vent pipes
Water damage in the ceiling directly beneath roof penetrations
Fix:
Replace damaged boots or flashing around the vent. Roofers can reseal these areas to ensure no water gets through. It’s a relatively quick and inexpensive roof leak repair in NewMarket.
5. Worn-Out Underlayment
Cause:
Roof underlayment is a water-resistant layer between your shingles and roof deck. Over time, especially in older roofs, this layer can break down and let water through.
Signs:
Recurring leaks despite replacing shingles
Soft spots on the roof
Persistent water leaking from ceiling even in light rain
Fix:
This issue usually requires removing shingles and replacing the underlayment. If caught early, only a section may need repair. Delaying this fix can result in rotting roof decking and higher repair costs.
6. Improper Skylight Installation
Cause:
Skylights are beautiful but notoriously leak-prone if not installed correctly or if seals degrade over time.
Signs:
Dripping water from skylight corners
Foggy or water-stained glass
Water damage in the ceiling directly below the skylight
Fix:
Resealing or replacing skylight flashing can often resolve the issue. In some cases, the entire skylight may need to be reinstalled to ensure proper drainage and sealing.
7. Age and General Wear
Cause:
Even a well-maintained roof won’t last forever. Asphalt shingles typically last 15–30 years, while metal and tile roofs can last longer. As your roof ages, materials begin to fail, increasing the chance of leaks.
Signs:
Multiple small leaks throughout the home
Curled, cracked, or faded shingles
Water leaking from ceiling in different rooms
Fix:
If your roof is nearing the end of its lifespan and experiencing recurring issues, it may be time for a complete replacement. A trusted professional can evaluate whether a roof leak repair or full upgrade is the best option.
What to Do When You Spot a Leak
The moment you notice water leaking from the ceiling, take the following steps to limit damage:
Contain the water – Place a bucket or container under the leak.
Move belongings – Remove furniture, electronics, and valuables from the area.
Relieve ceiling pressure – If a bulge forms, puncture it to let water drain in a controlled manner.
Document the damage – Take photos for insurance.
Call professionals – Contact 247-365.ca for immediate assessment and emergency repairs.
Why Fast Action Matters
Even small leaks can result in major problems if ignored. Moisture can seep into insulation, drywall, and wood framing, creating the perfect environment for mold and rot. The longer you wait, the more extensive and expensive the repair becomes.
Promptly addressing leaks not only protects your home’s structure but also your health. Mold exposure can trigger allergies, asthma, and other respiratory issues.
Trust 247-365.ca for Expert Roof Leak Repair
At 247-365.ca, we’re available 24/7 to respond to roof emergencies in the GTA. Whether it’s a small patch job or a major leak requiring structural repairs, our experienced team has you covered.
We offer:
Emergency roof tarping
Thorough roof inspections
Complete leak repair and waterproofing
Interior restoration for water damage in the ceiling
Mold remediation and prevention
Our goal is to fix roof leaks fast—so you can sleep peacefully, even during the heaviest rainstorm.
Roof leaks don’t fix themselves—and every drop of water that gets inside your home puts it at risk. By understanding the common causes of roof leaks and taking action quickly, you can protect your property and avoid costly damage.
If you’re dealing with a roof leak, don’t wait. Call 247-365.ca today for professional, dependable, and fast roof leak repair services. Your home deserves the best—and we’re here 24/7 to deliver it.
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FAQ Section | Answers to Common Concerns
1What is water damage restoration service?
Water damage restoration service involves the comprehensive process of repairing and restoring properties affected by water intrusion or flooding. This service encompasses various steps, starting from the initial assessment of the damage extent to the final restoration of the affected area. Professionals in this field utilize specialized equipment to extract water, dry out the affected surfaces, and mitigate further damage. They also address issues such as mold growth and structural damage caused by water. Additionally, water damage restoration experts work closely with insurance companies to streamline the claims process for homeowners or property owners. Overall, water damage restoration service aims to swiftly and effectively restore properties to their pre-damaged condition, ensuring safety, hygiene, and structural integrity.
2How much does water damage restoration cost?
The cost of water damage restoration can vary significantly depending on various factors such as the extent of the damage, the size of the affected area, the severity of the water intrusion, and the specific services required. On average, homeowners can expect to pay anywhere from a few hundred to several thousand dollars for water damage restoration services. Minor incidents like small leaks or localized flooding may cost less to address, while more extensive damage, such as widespread flooding or structural issues, can result in higher expenses. Additionally, the cost may also include expenses for water extraction, drying equipment, mold remediation, repairs to damaged structures or belongings, and any necessary renovations to restore the property to its pre-damaged condition. It's advisable to obtain multiple quotes from reputable restoration companies to get a better understanding of the potential costs involved based on the specific circumstances of the water damage.
3How to choose a water damage restoration company?
When choosing a water damage restoration company, it's crucial to prioritize reliability, expertise, and responsiveness. Start by researching companies with positive reviews and certifications from reputable organizations like the Institute of Inspection, Cleaning and Restoration Certification (IICRC). Look for companies that offer 24/7 emergency services, as water damage requires immediate attention to prevent further harm. Ensure the company has experience handling similar types of water damage to your property and inquire about their process, equipment, and timeline for restoration. Request detailed estimates and compare pricing and services among different companies. Additionally, verify that the company is properly licensed, insured, and bonded to protect yourself and your property throughout the restoration process. By considering these factors, you can confidently select a water damage restoration company capable of effectively restoring your property to its pre-damaged condition.
4Which areas and cities does 24/7 Restoration provide restoration and professional cleanupservices in?
24/7 Restoration offers comprehensive restoration and professional cleanup services primarily within the Greater Toronto Area (GTA). Serving numerous cities and neighborhoods within Toronto and its surrounding areas, our dedicated team ensures prompt and efficient assistance for any restoration needs. Whether it's emergency flood and water damage, smoke and fire damage cleanup, sewage backup cleanup, mold inspection and remediation, biohazard cleanup or any other restoration requirement, we are committed to providing reliable services to our valued clients across the GTA, ensuring their properties are restored to their pre-damaged state swiftly and effectively. Our expert teams can cover the following cities: Bowmanville, Oshawa, Whitby, Ajax, Pickering, Scarborough, Markham, Richmond Hill, North York, Vaughan, Etobicoke, Mississauga, Burlington, Oakville, Hamilton, Guelph, Kitchener, George Town, Caledon, Milton, Aurora, Newmarket, Georgina, Innisfil, Barrie, Orillia, Gwillimbury.
5What steps should I take right after discovering water damage in my home?
Act fast. First, if possible, shut off the main water supply to prevent more water from entering the area. If there's a risk of electrical hazards, turn off the electricity to the affected zone—only if it’s safe to do so. Remove valuable or sensitive items like electronics, documents, and furniture from the area to minimize further damage. Then, immediately contact a professional water damage restoration company to assess the situation, begin water extraction, and prevent mould growth or structural issues.
6How long does the water damage restoration process take?
The average water damage restoration process takes 3 to 5 days, but this can vary based on several factors:
- The size and location of the affected area
- The type of water (clean, grey, or black)
- The extent of water saturation
Whether materials like drywall, flooring, or insulation need replacement
Drying and dehumidification typically take a few days, but repairs or reconstruction (if needed) may extend the timeline.
7What happens if water damage is not addressed promptly?
Delaying water damage cleanup can lead to serious consequences. Within 24–48 hours, mould can start to grow in damp areas, which poses health risks and worsens property damage. Prolonged exposure to moisture can warp flooring, weaken drywall, corrode wiring, and even compromise the structural integrity of your home. Insurance claims may also be denied if timely action isn’t taken.
8Can I stay at my home during water damage restoration?
It depends on the severity of the damage and the scope of the restoration work. If only a small area is affected and there's no contamination or mould risk, you may be able to stay—ideally in a different part of the home. However, if the damage involves sewage water, high moisture, or mould, or if drying equipment is noisy and runs 24/7, it may be safer and more comfortable to relocate temporarily until the area is fully restored.
9How do professionals detect hidden water damage?
Certified restoration specialists use advanced tools to detect water hidden behind walls, under floors, or in ceilings. These include:
- Moisture meters to measure moisture content in building materials
- Infrared thermal imaging cameras to identify temperature differences caused by water intrusion
- Hygrometers to assess humidity levels in the air
This technology allows professionals to find and address all affected areas, even when there are no visible signs.