How To Clean Downpipes -

Reassemble and run a full watering can’s worth of water through the gutter. Observe the outlet for 30 seconds. A clear, full-diameter stream means success. Dribbling or gurgling means the clog persists.

: You can use a leaf blower at the base of the pipe to force light debris upward and out. how to clean downpipes

The weight and pressure of the water will often push minor clogs through. Reassemble and run a full watering can’s worth