How To Unblock Outside Drain Jun 2026

Pressure Washer (Optional): Useful for clearing stubborn silt or debris.

Avoid FOG: Never pour Fats, Oils, or Grease down your kitchen sink. They solidify in cold outdoor pipes.

If you have a pressure washer with a drain-cleaning nozzle (or hire one): how to unblock outside drain

For stubborn blockages, attach a drain rod with a corkscrew or plunger attachment.

Foul Smells: A persistent sulfur or "rotten egg" smell wafting from your garden or driveway. If you have a pressure washer with a

📌 Do not use a standard pressure washer nozzle indoors or without a drain attachment—it can damage pipes.

Stop and call a plumber if:

The Golden Rule: Always rotate the rods in a clockwise direction. If you rotate them counter-clockwise, you risk unscrewing the rods inside the pipe, which creates a much larger problem.