You come home on a February evening and spot a brown stain spreading across your ceiling. The last few days brought freezing rain and lake-effect snow across Markham, and now water is dripping onto your floor. Your first thought: does home insurance cover roof leaks?
Yes, home insurance typically covers roof leaks caused by sudden, accidental events like storms or a fallen tree. It does not cover leaks from gradual wear and tear or poor maintenance. That distinction matters more than anything when it comes to your claim. In insurance terms, a covered peril is a sudden, accidental event such as a storm, fire, or vandalism that your insurance policy specifically lists as eligible for coverage. The relationship between sudden/accidental events and coverage is crucial: only damage caused by these covered perils is eligible for reimbursement, while gradual or maintenance-related issues are excluded.
Edmunds Home Improvements has 30+ years helping homeowners across York Region deal with a leaking roof after ice storms and hailstorms. This guide is for Ontario homeowners concerned about roof leaks and insurance coverage. Knowing what your policy covers can save you thousands in unexpected repair costs. We’ll help explain what your home insurance policy covers, what it doesn’t, and how to protect your home and your claim.
How Your Homeowners Insurance Policy Handles Roof Damage
Your standard homeowners insurance includes several coverage types that apply when a roof leak causes damage. Here is what matters most.
Dwelling Coverage and Your Roof
Dwelling coverage is the part of your homeowners insurance policy that pays for repairs to the physical structure: the roof, walls, ceilings, and attic. If a covered peril causes damage and water enters, this portion of your home insurance policy covers the repairs. In Markham, where many homes have two-storey layouts, a single leak can travel through multiple levels before you notice.
Personal Property Coverage for Water Damage
Your homeowners insurance also covers damage to personal belongings caused by a covered roof leak. If water ruins furniture or electronics, personal property coverage may reimburse you. Many homeowners in the GTA store valuables in a finished basement, so water damage from a leak can get expensive fast.
Additional Living Expenses If Your Home Is Uninhabitable
If roof damage makes your home unsafe, your insurance policy may cover temporary housing under additional living expenses. This matters after a major storm that hits homes in neighbourhoods like Cornell or Berczy Village, when contractors are booked and repairs take weeks.
Roof Leaks That Are Typically Covered by Insurance
Your homeowners insurance covers roof leaks when the damage results from a sudden, accidental event outside your control. These “covered perils” include storms, fallen trees, fire, and vandalism. If the cause qualifies, your home insurance should cover roof repair costs. A covered peril is a sudden, accidental event such as a storm, fire, or vandalism that your insurance policy specifically lists as eligible for coverage.
Storm Damage and Severe Weather
Hail damage, high winds, heavy rainfall, and severe storms are the most common reasons homeowners file roof leak claims. If a severe storm tears shingles off and water gets through, that is a covered peril.
Markham sits in a zone influenced by lake-effect weather from Lake Ontario and Lake Simcoe, which means heavier snowfall and more intense storms than inland areas. Missing shingles after a windstorm or cracked asphalt shingles from hail are signs that damage occurred and you should contact your insurance provider.
Ice Damming on Markham Roofs
Ice damming is one of the most common winter roof leak causes in Markham. When warm air enters the attic it melts snow on the upper roof and this water can refreeze into a ridge of ice at the eaves. Water backs up behind the dam and gets pushed under shingles into your walls, so understanding ice dam causes, removal, and prevention is essential for local homeowners.
Most homeowners insurance policies cover ice damming because it is considered sudden and accidental damage. The freeze-thaw cycling we experience here, sometimes several times per week between January and March, makes this a recurring problem. The best prevention is proper attic ventilation and insulation.
Fallen Trees and Branches
Damage from a fallen tree or fallen branches landing on your home is a covered peril. Even if the tree came from a neighbour’s yard, your insurance covers it. Markham’s mature tree canopy in Historic Unionville and Cathedraltown creates real risk during windstorms. Nearby trees that look healthy can drop heavy limbs once coated in ice, and if you share a roof with a neighbour it is worth learning the basics of replacing a shared roof in Markham.
Fire, Vandalism, and Other Covered Perils
Your home insurance also covers roof damage from fire, lightning, vandalism, explosions, and vehicle impact. If any of these cause accidental damage that leads to a leak, your insurance covers both structural and water damage caused by the event.
Roof Leaks Your Home Insurance Will NOT Cover
Insurance companies draw a hard line between sudden damage and gradual deterioration. I’ve seen homeowners get claims denied because they didn’t understand that line. Knowing when your home insurance will not cover roof damage saves you from a nasty surprise.
Normal Wear and Tear on Your Roof
Every roof ages. Asphalt shingles in the GTA typically last 15 to 25 years, and understanding how long a roof lasts in Markham helps you plan for repairs or replacement. When a roof reaches the end of its lifespan and starts leaking, the roof’s age matters.
Gradual wear, like shingles that slowly curl or lose granules, is a maintenance responsibility. Older roofs with roofing materials past their expected lifespan give insurance companies grounds to deny claims. Normal wear and tear is not covered by insurance.
Poor Maintenance and Neglect
Insurance companies expect homeowners to properly maintain their homes. If a leak happens because of clogged gutters, damaged flashing, or missing shingles you ignored, neglected upkeep can lead to denied home insurance claims.
I’ve seen homeowners lose claims because they couldn’t show maintenance records. Keeping dated photos and contractor invoices is one of the simplest ways to protect yourself. Home insurance typically excludes damage from lack of maintenance.
Pre-Existing Damage and Improper Installation
Damage that existed before you bought the home or your insurance policy is not covered. Your insurance provider will not cover roof leaks from improper installation either. Bad flashing, poor sealing, or wrong slope are the installer’s liability.
I recommend hiring contractors who carry WSIB clearance certificates in Ontario. If an unqualified crew does the work and it fails, nobody may cover the damage.
A Leaky Roof and Gradual Water Damage Over Time
Slow leaks that develop over an extended period are not covered. If you notice water stains and ignore them for months, your insurer will call it neglect. Any damage caused by a gradual leak falls on the homeowner. Act fast when you see signs of trouble.
Will Insurance Cover a 20 Year Old Roof in Canada?
A 20 year old roof can still be covered, but insurance companies will examine its condition and maintenance history. Age alone does not disqualify you.
The bigger issue with older roofs is how much you’ll receive. Many policies switch from replacement cost to actual cash value once a roof passes a certain age. Replacement cost pays what a roof replacement would cost today, while actual cash value subtracts depreciation, so you get less. Insurance may only pay actual cash value for older roofs, which means the payout is reduced for depreciation, rather than the full replacement cost. That can leave homeowners with unexpected costs if the payout does not cover the full roof replacement bill.
A leaking roof on a 20 year old home is still typically covered, but the payout may leave you short. Check what your home insurance policy covers and ask your insurance provider about your coverage type. If you are concerned about costs, our 2026 guide on how much a roof replacement costs in Markham can help you budget alongside our guide on when to repair or replace your roof.
What Is the Most Common Damage to Your Home That Insurance Does Not Cover?
Gradual water damage from poor maintenance is the most common type of damage that home insurance does not cover. This includes slow leaks, clogged gutters that push water under shingles, and foundation seepage.
Other exclusions include pest damage, mould from ongoing neglect, and frozen pipes in unheated spaces. In Ontario, sewer backup and overland flooding require separate additional coverage not included in a basic policy. Reviewing your homeowners insurance yearly with your insurance provider catches gaps before you file a claim.
What Should I Do About a Leaking Roof?
If your roof is leaking right now, contain the water damage first, then contact your insurance provider. Speed matters for limiting damage and protecting your claim, and prompt professional roofing repair in Markham can prevent a small issue from becoming a major loss.
Contain the Water Damage
Place buckets under drips. Move valuables away from the area. If water is reaching your finished basement, act fast because water damage costs add up quickly. A tarp can slow water entry until a contractor arrives, but do not go on your roof during a storm.
Document Damage for Your Insurance Claims
Take photos and videos of the leak, ceiling and wall damage, any ruined personal belongings, and exterior damage. This supports your insurance claims and shows when the damage occurred. Keep receipts for emergency repairs. Strong documentation is the difference between insurance claims that get approved and those that get denied.
File Your Roof Claim Promptly
Contact your insurance provider once the immediate leak is under control. Some policies include time limits for filing a roof claim, and waiting too long gives the company grounds to deny claims. Have your maintenance records handy.
An adjuster will inspect the damage and estimate costs. Know your coverage limits and deductible amounts beforehand so you understand what your home insurance will cover for roof repairs.
Get a Professional Roof Inspection
I always recommend a professional inspection after any significant leak, even after the adjuster visits. A contractor can spot problems an adjuster might miss. At Edmunds, we offer inspections across Markham and York Region to document damage for homeowners dealing with insurance.
Is It Normal for a Roof to Leak in Heavy Rain?
A well-maintained roof should not leak during heavy rainfall. If yours does, something is wrong. Common causes include worn or missing shingles, damaged flashing, and clogged gutters backing water under the edge.
In Markham, heavy rainfall combined with lake-effect weather puts extra stress on older roofs. Your home insurance will cover roof leaks from a sudden storm, but if the real cause is deferred maintenance, you may not be covered. A leaky roof during rain is not normal. Our guide on repairing a leaky roof covers common causes and fixes.
How to Protect Your Roof and Your Insurance Coverage
Many Markham homeowners ask: does home insurance cover roof repairs after a bad winter? It depends on maintenance. Regular upkeep protects your home and keeps your insurance coverage intact. Adjusters may require proof before approving a claim, so this is not optional for homeowners who want better protection.
Here are key maintenance tips to protect your roof and your insurance coverage:
Schedule Regular Roof Inspections
A professional inspection once or twice a year catches small issues before they become expensive claims. In Markham, the best times are spring (after winter) and fall (before winter), and scheduling timely roofing repair and maintenance extends your roof’s lifespan and protects your coverage.Keep Your Eavestroughs and Gutters Clean
Clogged gutters are one of the most common causes of preventable leaks. When debris blocks your eavestroughs, water backs up under shingles. Checking your eavestrough for problems first often reveals the real cause of roof issues. Clean them twice a year, once after fall leaf drop and again in spring. If yours are sagging, consider new gutter installation.Trim Nearby Trees and Remove Fallen Branches
Keep branches at least six feet from your roof. Fallen branches crack shingles and clog gutters. In tree-heavy Markham neighbourhoods, trimming nearby trees before storm season reduces the chance of a fallen tree causing damage.Check Your Attic Insulation and Ventilation
Poor attic ventilation is the leading cause of ice damming in Markham. Warm air escaping into the attic melts snow unevenly, and the meltwater refreezes at the edges. Proper insulation and functioning soffit and ridge vents break this cycle.
A metal roof can also reduce ice dam risk for homeowners looking for better protection, and working with a trusted local expert for roof installation in Markham ensures it is designed for our winters. Learn more in our guide on attic ventilation.Keep Maintenance Records for Your Insurance Provider
A folder with dated inspection reports and invoices can make or break a claim. Your insurance covers roof repairs only if your insurer agrees you held up your end. This is the strongest thing you can do to help your insurance cover roof damage claims.
Additional Coverage: Frozen Pipes, Flooding, and More
Your basic policy may not cover the full cost of every water-related risk. Sewer backup coverage is one of the most important add-ons, especially with a finished basement. Standard homeowners insurance does not include it. Because water-related claims are so disruptive, many homeowners pair the right coverage with quality roof installation and maintenance to reduce the chance of leaks in the first place.
Overland flood coverage is relevant as extreme weather brings heavier rainfall to the GTA. Frozen pipes coverage is also worth discussing, since Ontario winters put plumbing at risk.
Review your deductible amounts yearly. Insured losses keep climbing across Canada, and having the right coverage means knowing what your insurance policy includes. Ask your insurance provider whether your home insurance covers roof damage from sudden leaks and what additional coverage addresses maintenance issues your basic policy excludes.
Protect Your Home and Your Insurance Claim with Edmunds
If you are dealing with a roof leak, thinking about filing a claim, or preparing for the next Markham winter, we can help. A professional inspection from a licensed, WSIB-cleared contractor strengthens your claim.
At Edmunds Home Improvements, we have served homeowners across Markham and York Region for over 30 years. Whether you need storm damage repairs, a roof replacement, or a routine inspection, give us a call. We will give you an honest answer.
Steve Gibson
President & CEO, Edmunds Home Improvements
Steve Gibson has over 35 years of hands-on experience in home renovation across
Markham and the Greater Toronto Area. As President and CEO of Edmunds Home
Improvements — a company serving the community since 1947 — Steve specializes in
roofing installation and repair, siding, window replacement and installation, and
door installation. A longtime local resident, he took ownership of Edmunds in 1989
and has built the company into one of the GTA’s most trusted exterior renovation
contractors. Edmunds is fully insured (WSIB and $5 million public liability) and
is a BBB Accredited Business and ENERGY STAR partner.
