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50+ Years
experience
Trusted Roofing & Mold Removal Experts in Toronto
Since 1971, WOW Roofing and Insulation has delivered premium roofing and insulation solutions to homeowners in the York Region. Our 40 years of hands-on experience in roof repairs, mold remediation, and ventilation optimization have established us as a trusted local authority. We specialize in comprehensive roof system evaluations, using advanced techniques to identify structural issues and ventilation inefficiencies. Our proprietary mold remediation process combines complete insulation removal, specialized fog treatments, and ventilation upgrades, backed by industry-leading 10-year warranties.

With a focus on preventative maintenance, we offer tailored roof care packages that extend shingle lifespan while preventing costly failures. Our team of certified professionals follows strict quality control protocols, ensuring every project meets our exacting standards for durability and performance.
Services
Roof Repairs Mold Removal Maintenance Packages Roof Installation Ventilation Solutions
Details
  • Year established: 1971
Highlights and features
  • 40 years of specialized roofing and mold remediation experience
  • 10-year warranty on mold remediation (10x industry standard)
  • 25-year warranty on complete roof installations
  • Proprietary ventilation optimization process prevents future mold growth
  • Certified professionals handle complete roof system evaluations
What people say
Job done right Best in the business Superior service Complete solutions Expert technicians
Services
Roof Repairs
Our comprehensive roof repair service addresses hail damage, wind damage, and ventilation issues using premium materials. We evaluate roof life expectancy, replace damaged shingles, and secure plumbing flanges to prevent water intrusion. With proper ridge cap installation and ventilation optimization, we extend roof lifespan while maintaining structural integrity.
Mold Removal
Specialized mold removal process eliminates attic mold through complete insulation removal, soffit cleaning, and fog treatment. We install ventilation baffles and bathroom exhaust vents to prevent recurrence. Our 10-year warranty covers complete mold eradication, including treatment of wood structures and installation of higher R-value insulation.
Maintenance Packages
Preventative maintenance plans include shingle replacement (up to 10 tabs), plumbing flange sealing, and ventilation evaluation. We assess roof life expectancy and bathroom exhaust systems to prevent moisture buildup. Regular maintenance extends shingle lifespan and prevents costly replacements while maintaining warranty validity.
Roof Installation
Full roof installation service includes old shingle removal, roof deck inspection, and ice shield application. We install 15lb tar paper and 25-30 year shingles with optimized ventilation systems. Our process increases airflow by up to 1000%, ensuring maximum shingle lifespan and energy efficiency.
Ventilation Solutions
Advanced ventilation systems prevent mold growth through proper airflow management. We install baffles, upgrade soffit vents, and optimize bathroom exhaust systems. Our solutions increase attic airflow by up to 1000%, preventing moisture accumulation and extending roof system longevity while improving home energy efficiency.
Questions
What roof repair services do you offer?
We handle all roof repairs from shingle replacement to complete deck restoration. Our services include ventilation optimization, plumbing flange sealing, and ridge cap repair using premium materials.
How does your mold remediation process work?
Our process removes all contaminated insulation, cleans soffits, installs ventilation baffles, and applies specialized fog treatments twice for complete eradication. We guarantee results with our 10-year warranty.
What maintenance packages are available?
Our maintenance package includes up to 10 shingle replacements, plumbing flange sealing, ventilation evaluation, and bathroom exhaust system checks to prevent future roof issues.
What warranties do you provide?
We offer a 25-year warranty on roof installations and the industry's best 10-year warranty on mold remediation - 10 times longer than most competitors' coverage.
How do you prevent future mold growth?
We install ventilation baffles, upgrade soffit systems, and optimize bathroom exhaust vents to maintain proper airflow and prevent moisture accumulation that causes mold regrowth.