September is the key month for driveway maintenance in the GTA. Taking action before the first freeze prevents damage from snow, salt, and freeze-thaw cycles. This checklist helps your interlocking survive another Ontario winter.

1. Schedule Professional Sealing

Sealing before October creates a protective barrier against road salt and de-icing chemicals. Sealant needs temperatures above about 10°C to cure properly, which makes September ideal.

2. Re-Sand the Joints

Polymeric sand should be refreshed before winter to prevent joint erosion from snowmelt. Full sand infiltration prevents the water penetration that leads to heaving damage.

3. Clear Drainage Paths

Make sure all catch basins, channel drains, and drainage routes are clear of leaves and debris. Blocked drainage causes pooling that freezes and expands, damaging paver joints.

4. Address Low Spots

Sunken areas collect water that becomes ice patches. If you notice pooling, schedule repairs before the ground freezes.

5. Remove Debris

Leaves and organic matter trap moisture against pavers, speeding up deterioration during freeze-thaw cycles. A thorough power washing in September clears out accumulated summer grime.

Winter Maintenance Tips

  • Use plastic shovels instead of metal to avoid scratching sealed surfaces.
  • Avoid chemical de-icers on sealed surfaces; opt for sand or kitty litter for traction.
  • Clear snow promptly to prevent ice buildup in the joints.
  • Inspect for damage in early spring and address issues right away.

Winter preparation is one of the most cost-effective maintenance steps you can take. A modest investment in September prevents far bigger repairs in spring.