Your Southern Ontario Hardscape Protection Experts

Master Sealer has been the trusted name in exterior surface protection for nearly three decades. While we are headquartered in Woodbridge, our mobile crews are a constant presence across the Greater Toronto Area (GTA), York Region, Simcoe County, and the Golden Horseshoe. From the historic lakeshore of Toronto and the escarpment of Hamilton to the northern reaches of Barrie and Newmarket, we understand the specific soil conditions and weather challenges Ontario homeowners face.

Our interlock sealing services GTA and beyond ensure your hardscapes remain beautiful and durable. With our interlock sealing services GTA, we have honed our techniques to protect surfaces against the elements and daily wear and tear, ensuring that every project enhances your property’s aesthetic while prolonging the life of your investment.

Core Service Regions

York Region (Our Backyard)

We provide daily service to Vaughan, Richmond Hill, and Markham. Whether you have a luxury interlock driveway in Kleinburg that needs a high-gloss finish or a weathered patio in Unionville requiring deep cleaning and re-sanding, we are minutes away.

  • Vaughan: Including Woodbridge, Maple, Concord, and Thornhill.

  • Markham/Richmond Hill: Servicing all residential subdivisions and commercial plazas.

Toronto & Etobicoke

Navigating the tight driveways of Old Toronto or the sprawling lots of Etobicoke and North York requires a team that is efficient and respectful of property lines. We specialize in restoring natural stone walkways and concrete porches for homes throughout the city core and its surrounding boroughs.

Peel, Halton & Hamilton

To the West, we serve Mississauga, Brampton, Caledon, Bolton, Oakville, and Hamilton. Homeowners in the Hamilton and Burlington area benefit from our specialized knowledge of Escarpment-related drainage issues. These regions often feature larger stone installations susceptible to shifting. Our “Master Restoration” package—including power washing, leveling, and sealing—is highly popular in these growing communities.

Durham Region

To the East, we provide expert sealing services to Pickering, Ajax, Oshawa, and Whitby. We help homeowners protect their investments against the high moisture levels and winds common near the eastern shoreline of Lake Ontario.

Simcoe Region (Expanding North)

As many homeowners move north, Master Sealer has followed. We provide expert restoration to Barrie, Innisfil, Bradford, and New Tecumseth. Properties in the Simcoe region often face higher snow accumulation and wind exposure; our heavy-duty sealing protocols are designed specifically to withstand these rugged northern conditions.

Why Choose a Local Southern Ontario Specialist?

Living and working in this region for 28 years means we don’t just “apply product.” We understand that:

  • Our Clay Soil: Causes interlock to shift and sink; we provide the leveling services needed before we seal.

  • Our Winter Salt: Destroys unprotected concrete; we use salt-resistant sealers designed for Canadian winters.

  • Local Architecture: We know the popular stone types used by Ontario builders (like Unilock, Oaks, Permacon, and Best Way Stone) and use cleaners specifically safe for those materials.

  • Information Gain: We stay updated on innovations like modern polymeric sand, which prevents weed growth and erosion, ensuring a longer-lasting finish than traditional methods.

Request a Quote in Your Neighborhood

No matter where you are in the Golden Horseshoe or Simcoe County, Master Sealer offers Free On-Site Estimates. Our experts will visit your property, assess the condition of your stone or concrete, and provide a transparent, no-obligation quote. Our process is thorough and customer-focused; we tailor our recommendations to your specific environmental conditions—whether you are dealing with the humidity of Hamilton or the frost of Barrie.