4.9 stars

127+ reviews

Trusted Toronto Roof Repair Experts

Fast, Reliable Roof Repairs When You Need Them Most — From Leaks and Storm Damage to Skylight Repairs and Ice Dams, Roofer On Demand Is Here to Protect Your Home Across Southern Ontario.

Your Roof. Our Priority. On Demand.

A roofer in a Roofer On Demand hoodie installs a skylight on an asphalt shingle roof. Tools, including a drill and caulk gun, are nearby. Trees and houses are visible in the background.

Trusted for Professional Roof Repair

A worker in safety gear repairs roof shingles near a large skylight on a house, with city skyscrapers and stormy clouds in the background. Tools and supplies are visible on the roof.

Professional Roof Repair Across Southern Ontario

Roofer On Demand provides professional roof repair services across Southern Ontario, helping homeowners address roof leaks, damaged shingles, deteriorated flashing, storm damage, and other localized roofing problems. Our approach starts with identifying the source of the problem before recommending the appropriate repair. We work with a variety of roofing systems, including asphalt shingles, flat roofs, cedar, slate, and metal roofing. Whether your roof requires a minor repair, leak investigation, flashing correction, or a more extensive permanent repair, we evaluate the condition of the existing roof and explain your options clearly. Not every roofing problem means you need a new roof. When a repair makes sense, our goal is to fix the problem, protect the existing roof, and help extend its remaining service life.

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What Services We Offer

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Roof Leak Repair

Our roof leak repair service focuses on identifying the source of water intrusion and providing the right repair to prevent further damage. We repair leaking or damaged shingles, flashing, roof vents, valleys, penetrations, and other vulnerable areas to restore your roofing system and help keep your home protected and dry.

Cedar Roof Repair

Our cedar roof repair service focuses on identifying damaged, cracked, split, loose, or deteriorated cedar shakes and shingles. We repair affected areas, replace damaged cedar where needed, and address vulnerable flashing and roof details to help prevent leaks, extend the life of your cedar roof, and maintain its natural appearance.

Slate Roof Repair

Our slate roof repair service addresses cracked, broken, slipped, or missing slate tiles, along with damaged flashing and vulnerable roof areas. We carefully repair affected sections to help prevent leaks, preserve your roof’s appearance, and extend its service life.

Shingle Roof Repair

Our asphalt shingle roof repair service addresses missing, cracked, lifted, or damaged shingles, along with flashing and other vulnerable roof areas. We repair affected sections to help stop leaks, prevent further damage, and extend the life of your roof.

Metal Roof Repair

Targeted metal roof repairs for leaks, damaged panels, loose fasteners, seams, flashing, and roof penetrations while preserving serviceable portions of the existing roof.

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Common Roof Repairs We Perform

Diagnosis

Roof Leak Diagnosis Before We Repair

A successful roof repair starts with understanding where the problem is coming from. Water can enter through damaged roofing, flashing, valleys, vents, seams or other vulnerable areas and travel before becoming visible inside the home. We inspect the affected area and surrounding roofing components to identify the likely source before recommending the appropriate roof repair.

Roof Leak Diagnosis Before We Repair

Follow the Water

The location of an interior leak does not always reveal where water entered the roof. We look beyond the visible stain to trace the problem back to its likely source.

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Inspect the Roofing Materials

We examine shingles or other roofing materials for missing, lifted, cracked, deteriorated or damaged areas that may be allowing water into the roof system.

Check Flashing & Transitions

Flashing around chimneys, walls, valleys and roof transitions is inspected for deterioration, separation, improper installation or other conditions that may contribute to leaks.

Inspect Roof Penetrations

Roof vents, plumbing stacks and other penetrations create vulnerable points in the roofing system. We inspect the surrounding flashing, seals and roofing materials for potential water-entry points.

Identify the Repair Area

Once the likely source is identified, we determine which roofing components need attention and define the appropriate roof repair area rather than simply treating the visible symptom.

Recommend the Right Roof Repair

Our findings help determine whether the problem can be addressed with a localized repair, requires a more extensive permanent roof repair, or indicates broader deterioration that should be considered.

Repair vs Replacement

Roof Repair vs. Roof Replacement — Which Is Right for Your Roof?

Not every roofing problem requires a complete replacement. When damage is localized and the existing roofing system still has useful service life, a professional roof repair may be the more practical solution. When deterioration is widespread or the roof is approaching the end of its service life, replacement may provide better long-term value. We assess the condition of the roof first and recommend the option that makes sense for the property.

Split image showing two rooftops: left side has clean, new shingles from a recent roof repair; right side has old shingles covered in moss and lichen. Trees and a grassy field are visible in the background.

Roof Repair

When Roof Repair May Be the Better Choice :

  • When damage is limited to a specific area and the surrounding roofing remains in good condition, a targeted roof repair may be all that’s required.

  • A roof that remains generally serviceable may not need replacement because of one isolated problem. Repair can help preserve the existing roofing system.

  • Missing, lifted, cracked or damaged shingles can often be replaced individually when the surrounding shingles remain suitable for repair.

  • Leaks around chimneys, walls, valleys or roof penetrations may originate from damaged or deteriorated flashing rather than the entire roofing system.

  • When the source of water intrusion can be identified and the surrounding roof remains serviceable, a localized permanent repair may address the problem.

  • When the affected area can be properly repaired without investing heavily into an aging or extensively deteriorated roof, repair may provide better immediate value.

Roof Replacement

When Roof Replacement May Be the Better Choice :

  • When roofing materials are significantly aged, continued repairs may offer limited value compared with installing a new roofing system.

  • Curling, cracking, deterioration or damage across multiple areas of the roof can indicate that the problem extends beyond a localized repair.

  • Recurring leaks in different parts of the roof may indicate broader deterioration rather than a single repairable defect.

  • If the roof repeatedly requires repairs, the combined cost and inconvenience may eventually make complete replacement the more practical long-term option.

  • Significant deterioration of the underlying roof deck can require more extensive work than a localized surface repair can address.

  • When substantial repairs would only extend the life of an already aging roofing system for a limited period, investing in replacement may make more financial sense.

What Types of Roofs Can We Repair

Roof Repair

Temporary vs. Permanent Roof Repair

Not every roof repair serves the same purpose. A temporary roof repair is designed to provide short-term protection when a permanent solution cannot be completed immediately. A permanent roof repair goes further by addressing the damaged roofing components and rebuilding the affected area using appropriate roofing materials. The right approach depends on the roof condition, source of the problem, weather, accessibility, and extent of the damage.

Split image: Left side shows a roof with black underlayment and a vent, overlooking a green yard—a clear sign of recent roof repair; right side shows old, weathered roof shingles with visible cracks and repairs.

Temporary Roof Repairs

Short-Term Protection

90-Day Workmanship Warranty

Applies to qualifying temporary roof repairs.

  • Temporary repairs are intended to help protect vulnerable areas and reduce further water intrusion until permanent work can be completed.

  • Roofing sealants or compatible temporary materials may be applied to identified openings, flashing, penetrations, seams, or other vulnerable areas.

  • Weather, roof conditions, material availability, or the extent of the problem may make it impractical to complete a permanent repair immediately.

  • A temporary repair does not renew the roofing system or replace deteriorated components. Further permanent work may still be recommended.

Permanent Roof Repairs

Longer-Term Repair Solution

1-Year Workmanship Warranty

Applies to qualifying permanent extended roof repairs.

  • A permanent roof repair is intended to address the actual damaged roofing components rather than simply providing temporary protection over the problem.

  • Shingles, flashing, membrane, or other affected materials may be carefully removed where necessary to expose and properly repair the damaged area.

  • Damaged roofing materials and components are repaired or replaced as required, then properly integrated with the surrounding serviceable roofing system.

  • The repaired area is rebuilt using compatible roofing materials and appropriate waterproofing methods to provide a more durable repair.

Warranties

Warranties That Protect Your Investment

We combine manufacturer-backed product protection with our own workmanship warranties to give homeowners greater confidence in their roofing investment.

Permanent Roof Repair Warranty
Repair Workmanship

Permanent Roof Repair Warranty

Qualifying roof repairs include one-year workmanship warranty protection beginning on the project completion date.

One-year of coverage Available on qualifying roof repair services.
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Roof Replacement Workmanship Warranty
Workmanship Warranty

Roof Replacement Workmanship Warranty

We stand behind the workmanship of qualifying roof replacement projects with written warranty protection.

25 years of coverage Available on qualifying complete roof replacements.
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Temporary Roof Repair Workmanship Warranty
Repair Warranty

Temporary Roof Repair Workmanship Warranty

Qualifying roof repairs include 90-day workmanship warranty protection beginning on the project completion date.

90 days of coverage Available on qualifying roof repair services.
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The Promise

Why Homeowners Choose Roofer On Demand for Roof Repairs

A roof repair should address the problem, not simply cover up the symptoms. Our approach combines proper diagnosis, practical repair recommendations, transparent pricing, quality materials, and dependable workmanship. With flexible scheduling and roof repair services available 7 days a week, we make it easier to get the right help when your roof needs attention.

Why Homeowners Choose Roofer On Demand for Roof Repairs

We Diagnose Before We Repair

We inspect the affected area and surrounding roofing components to identify the likely source of the problem before recommending a roof repair.

Repair When Repair Makes Sense

Not every roofing problem requires replacement. When the existing roof remains serviceable, we look for practical repair options that address the damaged area while preserving the roof.

Experience Across Roofing Systems

We repair asphalt shingles, cedar, slate, metal, and flat roofing systems, including EPDM, TPO, SBS modified bitumen, and tar and gravel.

Quality & Compatible Materials

We select appropriate roofing, flashing, waterproofing, and repair materials based on the existing roofing system and the work being performed.

Transparent Pricing

We provide clear quotations outlining the recommended scope of work and pricing, so you understand what is being proposed before approving your roof repair.

Workmanship We Stand Behind

Qualifying temporary and permanent roof repairs include applicable workmanship warranty protection based on the type and scope of work completed.

Quick & Same-Day Scheduling

Roof problems shouldn’t have to wait. Depending on location, technician availability, and the nature of the repair, same-day inspection or roof repair service may be available.

Roof Repair Service 7 Days a Week

Roofing problems don’t always happen Monday to Friday. Our roof repair services are available seven days a week to provide homeowners with greater scheduling flexibility.

How It Works

Getting your roof repaired should be straightforward. Our process starts with understanding the problem, followed by a thorough roof inspection and clear recommendations. From your first call to approving the work, we make sure you understand what we found, what needs to be repaired, and what the proposed work includes before moving forward.

Process

Roof Repair Process — From Preparation to Completion

Every roof repair is different, but a proper repair follows a careful process. Once the problem and repair area have been identified, we prepare the roof, remove damaged materials where required, address the underlying problem, install compatible roofing and waterproofing components, and inspect the completed work. The exact process depends on the roofing system, condition of the roof, and scope of the repair.

Prepare & Protect the Work Area

Before repairs begin, we prepare the affected roof area and take appropriate precautions to protect surrounding roofing materials and property while the work is being completed.

A roofer wearing protective gear installs shingles on a sloped roof with a large skylight, overlooking suburban houses and a city skyline under cloudy skies. Roofing tools and materials are nearby.

Remove Damaged Roofing Materials

Damaged shingles, membrane, flashing, sealants, or other roofing components are removed as required to expose the area that needs to be repaired.

A roofer in safety gear installs shingles on a modern house roof, with tools nearby and a city skyline visible in the background on a sunny day.

Inspect the Exposed Roof Area

Once the damaged materials are removed, we inspect the underlying roof deck, waterproofing, flashing, and surrounding components for additional deterioration that may not have been visible beforehand.

Modern house roof with a large skylight, surrounded by trees, and a city skyline with a tall tower in the background under a partly cloudy sky.

Repair the Underlying Problem

Any deficiencies included within the repair scope are addressed before the roof is rebuilt. This may involve localized decking, waterproofing, flashing, penetrations, seams, or other roofing components.

Close-up of a house exterior showing cement boards labeled USG Durock installed on a chimney with red tape sealing the seams, next to black roof shingles and a stone wall—an essential step in professional roof repair.

Install Waterproofing & Flashing

Where required, compatible waterproofing membranes and flashing components are installed or corrected to help protect vulnerable areas and properly direct water over the roofing system.

A person in a hoodie and tool belt works on flashing and waterproofing around a chimney on a roof, focused on precise roof repair. Tools and construction materials are visible, and the area appears to be under renovation.

Rebuild the Roofing System

New shingles, membrane, metal, slate, cedar, or other appropriate roofing materials are installed and integrated with the surrounding serviceable roof.

A partially finished chimney wrapped in DiamondDeck and CertainTeed underlayment, with exposed wood, black roofing material, and a yellow ladder leaning against the roof indicates ongoing roof repair. Houses and a street are visible in the background.

Seal & Detail the Repair

Transitions, penetrations, flashing, seams, and other required finishing details are completed according to the roofing system and approved repair scope.

A person stands near a stone house with scaffolding and a ladder leading up to the chimney, suggesting ongoing roof repair. The sky is overcast, and several windows on the house are lit from within.

Final Inspection & Cleanup

We inspect the completed roof repair, check the repaired area and surrounding details, remove debris, and leave the work area clean once the project is complete.

A brick chimney with black metal flashing is installed on a gray shingled roof, highlighting the quality of recent roof repair. Trees, a wooden fence, and patio furniture are visible in the background.

Reviews

What Our Customers Say

Real experiences from homeowners who trusted Roofer On Demand for their roofing projects. See why customers across the GTA choose us for reliable service, quality workmanship, and professional results.

Google Reviews

5 127 reviews

Trusted by homeowners across the GTA for quality roofing services.

  • Over 127+ 5-star reviews
  • Fully Licensed & Insured
  • Fast Response Times
  • Quality Workmanship Guaranteed
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FAQ's

Frequently Asked Questions

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Manufacturers

Trusted Roofing Manufacturers

We work with trusted roofing manufacturers to provide high-quality materials built for lasting performance.

Service Areas

Roofing Services Near You

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Nearby Cities We Serve

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