Markham, Ontario Best Roofing Contractors

We work closely with our customers, and include them every step of the way, so there are no surprises. We strive off of customer satisfaction, leaving each and every job site cleaner than when we arrived! We give all home owners a piece of mind with our strict safety guidelines. This rapidly growing community features new homes with modern architectural styles. In Cornell, we’ve installed asphalt shingles, metal roofs, and flat roofing for residential and commercial buildings,  providing energy-efficient solutions to keep homes comfortable throughout the year.
We listen first, measure properly, and quote what the roof actually needs. Every project is documented with photos, a signed completion report, and shingle roof installation company in markham on full warranty paperwork for you and your insurer. When I first met Viktor, he was professional, friendly, and took the time to explain everything clearly before providing a fair and straightforward quote. There was no pressure, just honest communication, which I really appreciated. From that point on, the communication with the company was amazing.

Whether you are located in Markham or the Greater Toronto Area, we are here to serve you. Our recent roofing projects across Markham showcase the quality, precision, and professionalism RonOvations brings to every property. From emergency roof repair and roof replacement projects to shingle, metal, and flat roofing installations, our team delivers reliable roofing solutions built for Ontario weather conditions.
As GAF-certified roofers in Markham, we are fully insured and trained to provide exceptional residential and commercial roofing services, ensuring your peace of mind throughout the project. Most of our projects stem from referrals by satisfied customers, underscoring our unwavering commitment to exceptional customer service and superior workmanship. We prioritize complete customer satisfaction, diligently ensuring quality and reliability to provide you with the confidence that you have chosen a premier roofing company in Toronto. Due to heavy seasonal humidity and extreme temperature swings, traditional asphalt shingles typically deliver a reliable lifespan of 20 to 30 years.
The crew arrived on time, kept the work area clean, and completed the project efficiently. Application should occur when temperatures are above 0°C and no rain is expected for at least one hour afterward. Our team monitors local weather to schedule projects safely and efficiently.

Leaking vents are a common cause of attic moisture, mold growth, and insulation damage. Repairs typically involve removing the old vent cover or boot, installing a new sealed unit, and integrating it properly with flashing and shingles. Ensuring vents are correctly installed and sealed helps regulate attic temperature, reduce moisture buildup, and protect the roof structure from long-term damage. Should our assessment indicate that a full roof replacement is unnecessary at this time, we will be completely forthright and share that information with you. Our comprehensive diagnostic inspections are fundamentally designed to uncover the most cost-effective and practical solutions for your home, entirely avoiding the trap of unnecessary upselling.
Our team brings a blend of traditional expertise and innovative techniques to deliver superior results every time. YS Roofing is proud to be recognized as a GAF Certified™ Residential Roofing Contractor. This prestigious designation is only awarded to roofing professionals who meet GAF’s rigorous standards for excellence, including up-to-date professional licensing and comprehensive insurance coverage. Combined with our 15+ years of industry experience in the GTA, this certification ensures that your home is protected by a team committed to superior craftsmanship and high-quality materials.
Lower roof scopes from 1/2 up to 3/12 are found on contemporary homes or commercial properties. In those cases, built-up roofing, rubber membrane roofing, or standing seam metal are the best options. Just give us a call or fill out our contact form and  we´ll connect you with the most qualified provider in your area. The Roof Whisperer has a track record of assisting homeowners with efficient and state-of-the-art products and metal roof systems. Our commitment to customer satisfaction drives us to be a customer-focused brand and a quality-oriented group of metal roofing experts.

The company focuses on quality products and energy-efficient solutions. Coverall Roofing offers certified roofing services with manufacturer-backed warranties, focusing on flat and residential roofs in the Greater Toronto Area. The team provides detailed inspections and clear estimates, often coordinating with other professionals to address complex issues. Customers appreciate their thorough communication, efficient crews, and careful cleanup, though pricing is generally mid-range. Crown Industrial Roofing offers clear communication and reliable follow-up, with a focus on roof replacements and repairs for commercial and industrial buildings.
We're proud of our workmanship and are dedicated to installing top quality Markham roofs. Let us work with you to examine your current roof or architectural ideas and help you design a roof that is aesthetically pleasing and provides a long lasting protection. Expert roofing solutions engineered for Markham's unique Southern Ontario climate and 100cm  annual snowfall. We combine heritage preservation with modern protection, ensuring your roof withstands everything from summer heat waves to winter ice storms.

With years of experience, we protect what matters most — your home, your family, and your investment. Residential roofing work in Markham spans modern developments and mature neighbourhoods, from full replacements to precision repairs. Our portfolio of roofing projects highlights consistent quality across the city.
Make your Markham roofing project affordable with our flexible financing solutions. We partner with leading Canadian financial institutions to offer competitive rates and convenient payment options made for local homeowners' needs. Our comprehensive warranty guarantees the flexibility and durability of your shingles for up to 15 years. This warranty is fully transferable, adding value to your property if you decide to sell your home in Markham. Whether you live in Thornhill, Unionville, or near the Rouge River, our warranty ensures peace of mind and long-lasting protection. Every member of the Dominion Roofing team is proud of what they do especially in Markham roof repair.