Roof Repairs & Leak Detection
Roof repair is not a temporary fix, it is preventative structural protection. In Southern Ontario, where heavy snow loads, freeze–thaw cycles, wind-driven rain, and summer humidity constantly stress roofing systems, even minor damage can escalate quickly. A lifted shingle, cracked flashing joint, or clogged ventilation pathway may seem insignificant, but under real weather conditions, those vulnerabilities allow moisture intrusion that weakens decking, insulation, and framing.
At Aucoin Roofing, we treat roof repair as a strategic intervention designed to extend the life of your entire roofing system. As a locally owned, family-operated company serving Southern Ontario for nearly a decade, we understand how regional weather patterns accelerate wear. Our goal is not to apply surface-level patches; it is to correct the underlying issue and reinforce the integrity of your roof so it continues to perform reliably through every season. Timely repairs today prevent expensive replacements tomorrow.
Technical Precision That Extends Roof Lifespan
Roof repair requires a systems-based understanding of how ventilation, insulation, and water management interact. Inadequate attic airflow can cause condensation buildup during humid summers and frost formation during winter cold spells. This trapped moisture weakens decking and accelerates shingle deterioration from beneath the surface. During our repair process, we assess intake and exhaust ventilation balance to ensure the roof functions as a controlled, ventilated system rather than a sealed cavity prone to hidden damage.
Flashing integrity is another critical factor in long-term performance. Improperly installed or aged flashing allows water to penetrate at vulnerable junctions, particularly during wind-driven rain events common across Southern Ontario. Our technicians follow code-compliant installation methods and utilize high-grade materials to restore waterproof continuity. Aucoin Roofing operates with full WSIB coverage and liability insurance, ensuring that every repair project is completed safely, professionally, and in compliance with provincial standards. Our in-house approach provides accountability, quality control, and peace of mind for homeowners and commercial property managers alike.
Repair & Leak Detection Specializations
Roof repair requires targeted expertise and material precision tailored to the specific failure point:
- Shingle Replacement & Wind Damage Repair: High winds can damage shingles and expose your roof to moisture. We replace them with manufacturer-matched materials and correct fastening to restore protection and maintain warranty compliance.
- Flashing Repair & Sealing: Flashing failures around chimneys, skylights, wall transitions, and plumbing stacks are among the most common leak sources. We reconstruct step flashing, counter flashing, and sealant joints to redirect water safely away from structural seams.
- Flat Roof Patching & Seam Restoration: For low-slope residential and commercial systems, we repair EPDM, TPO, and modified bitumen membranes using proper adhesion and heat-weld techniques to restore seam integrity and eliminate ponding vulnerabilities.
- Ice Dam & Winter Damage Mitigation: Freeze–thaw cycles and heavy snow accumulation in Brantford create ice dams that force water beneath shingles. We reinforce vulnerable eave areas with ice and water membrane and evaluate attic insulation and ventilation to prevent recurrence.

Built for Southern Ontario Conditions
Roof repair strategies in this region must account for heavy snow loads, fluctuating winter temperatures, strong wind gusts, and high humidity levels. These environmental pressures place ongoing strain on roofing materials and structural components. Addressing minor issues promptly prevents widespread deterioration that can compromise the structural integrity of the entire building envelope.When your roof shows signs of wear, water intrusion, or seasonal damage, timely professional repair ensures your home remains secure, efficient, and structurally sound for years to come.
The Aucoin Signature 5-Step Process
Every repair project follows a structured system to ensure long-term performance, not short-term relief.
- Comprehensive Diagnostic Inspection: We begin with a detailed assessment of shingles, flashing, ventilation, sealants, and decking, identifying the true source of water intrusion or structural stress, not just visible symptoms.
- Root-Cause Identification: Southern Ontario weather often reveals weaknesses in valleys, eaves, and ridge lines. We determine whether the issue stems from wind uplift, ice dam formation, deteriorated flashing, or ventilation imbalance.
- Precision Repair Strategy: We select repair methods that integrate seamlessly with your existing roofing system. This may include shingle replacement, flashing reconstruction, membrane patching, or reinforcement of vulnerable areas.
- Weatherproof Reinforcement: We use high-performance sealants, ice and water shield, and proper fastening to restore watertight integrity. Every repair is built to handle wind, snow, and seasonal temperature shifts.
- Final Verification & Site Protection: We conduct a post-repair inspection to ensure system continuity and perform a full cleanup. Our goal is to leave your roof structurally secure and your property protected.

Certified Expertise & Guaranteed Workmanship
Aucoin Roofing is a CertainTeed ShingleMaster approved contractor and fully licensed, insured, and WSIB compliant. Every project is completed to strict manufacturer and industry standards and backed by a written 15-year workmanship guarantee, giving homeowners and property managers long-term confidence that their investment is protected by both certified installation practices and our commitment to quality.
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Magnet Clean clean-up
We perform a multi-point inspection and use industrial magnets to ensure your driveway and lawn are free of nails and debris. Aucoin Roofing doesn’t leave a mess!

Aucoin Roofing is a certified Velux® Intsaller

Aucoin Roofing is a certainteed® ShingleMaster™ Roofing Contractor
Additional Roofing Services
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