Exterior & Seasonal
Professional Concrete & Microcement Sealing Toronto applying protective coating by CNG Contracting.

Concrete, Microcement & Driveway Sealing

Professional concrete and driveway sealing in Toronto & GTA. We clean, prepare and apply protective sealant that extends surface life and prevents freeze-thaw damage season after season. Book online and our team will reach out to schedule.
Licensed & Insured
15+ Years Experience
Warranty Included
Top Rated
Detail Oriented
Concrete, Microcement & Driveway Sealing
Concrete, Microcement & Driveway Sealing
Concrete, Microcement & Driveway Sealing

Detailed Description

Unsealed Concrete in Toronto & GTA Deteriorates From the Inside Out

Concrete looks permanent — and it is, when it’s maintained. Without a protective seal, concrete driveways and surfaces in Toronto & GTA are continuously infiltrated by water during rain and snowmelt. That water freezes in the concrete’s pore structure during Toronto & GTA’s winters, expands, and creates micro-fractures that compound over every freeze-thaw cycle. Add road salt — which Toronto & GTA driveways see in significant quantities each winter — and the deterioration accelerates. Surface scaling, spalling, and pitting that makes a driveway look aged within a few seasons is almost entirely preventable with regular protective sealing.

At CNG Contracting, concrete and driveway sealing in Toronto & GTA is done properly: surface cleaned to remove all contaminants, existing cracks addressed before sealing, and the correct sealant product for the surface type and use condition applied to the prepared surface. The result is protection that actually works — not sealant applied over a dirty, unprepared surface that bonds poorly and fails within one season.

What Professional Sealing Covers in Toronto & GTA

  • Surface Cleaning: Pressure washing and chemical degreasing remove oil, organic growth, and efflorescence before any sealant is applied. Sealant over contamination bonds poorly and fails early.
  • Crack Repair Before Sealing: Existing cracks are filled before sealing — sealant over open cracks traps water beneath the surface and accelerates the problem rather than preventing it.
  • Correct Product for the Surface: Penetrating sealants for concrete driveways. Film-forming sealants for decorative and stamped concrete. Specialized products for microcement surfaces in Toronto & GTA homes. Each surface type has specific requirements.
  • 2-Year Adhesion Warranty: All sealing work carries a written 2-year warranty on application adhesion.

Surfaces We Seal in Toronto & GTA Properties

  • Concrete driveways — residential and multi-unit Toronto & GTA properties
  • Stamped and decorative concrete patios and walkways
  • Microcement interior and exterior surfaces
  • Garage floor concrete — before or after epoxy coating application
  • Concrete steps and landing areas at Toronto & GTA home entries

Sealing your Toronto & GTA home’s concrete surfaces is the most cost-effective maintenance you can do for surfaces you’ve already invested in. Book your visit today.

Service Details

IncludesSurface cleaning, crack assessment, sealant application, cure guidance
Time on site2 to 5 hours depending on surface area
Warranty2 years on application adhesion
Licensed & insuredYes
Service areaToronto & GTA and surrounding GTA

Frequently Asked — Concrete Sealing in Toronto & GTA

How often should I seal my Toronto & GTA driveway?

Penetrating sealants on concrete typically need reapplication every 3–5 years in Toronto & GTA’s climate. Film-forming sealants on decorative concrete may need attention sooner. We assess the existing condition and give you a specific recommendation based on your surface and exposure.

Can you seal a driveway with existing cracks?

Yes — but we address the cracks first. Sealing over open cracks traps water beneath and accelerates the problem. We repair, then seal the complete surface for your Toronto & GTA home.

How do I book driveway sealing in Toronto & GTA?

Book online in under two minutes. Our Toronto & GTA team contacts you directly to schedule.

Sealant reapplication scheduling for Toronto & GTA properties is also discussed during the service visit — a simple calendar reminder for the appropriate reapplication window means the surface maintains its protection rather than having the seal expire unnoticed and the deterioration cycle restart from the same point.

Book Your Toronto & GTA Home Service With CNG Contracting

CNG Contracting has been serving Toronto & GTA and the GTA since 2005. Every service is performed by licensed and insured professionals with the experience to do the job correctly the first time. Our 2-year workmanship warranty means that if anything we’ve done doesn’t meet the standard we committed to, we come back. Book online in under two minutes — our Toronto & GTA team contacts you directly to confirm details and schedule at a time that works for your household. The right service, the right way, on your schedule.

Requires inspection: Yes
Seasonal service: true
Estimated Time: 3 to 8 hours
Materials included: Not included (unless specified)
Warranty Period: 2 years
Service Complexity Moderate

Why is a Technical Visit necessary?

Sealing concrete isn't just "painting" a liquid on top. If the concrete holds too much moisture, the sealer will turn white and hazy ("blushing") or peel off entirely. Furthermore, different sealers are incompatible; putting a solvent-based sealer over an old water-based one can ruin the surface. Our Concrete & Driveway Sealing assessment tests the surface porosity and moisture levels to select the chemically correct sealer for a flawless, long-lasting bond.

Step 1 of 3 · OVERVIEW

SCHEDULE AN INSPECTION

Request your technical visit.

Tell us what you need and a certified specialist will visit you to evaluate your project and give you a real quote the same day.


  1. 1
    Real diagnosis in your home. A technician evaluates materials, measurements, access, and local regulations.
  2. 2
    The visit cost is discounted from the project. The fee is fully credited to your final invoice once you approve the quote.
  3. 3
    No commitment if you don’t approve the quote. If you don’t accept the quote after the visit, there is no obligation to proceed.
  • Certified technicians — licensed & insured
  • Real quote — same day as the visit
  • No surprises — no hidden costs
✓ Certified technicians ✓ Insured ✓ No hidden costs
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