If the blockage is near the bottom of the vertical run or the "swan neck" (the curved pipe connecting the gutter to the vertical wall), top-down methods may fail.
The following equipment is recommended for effective clearance: clear blocked downpipe
October 26, 2023 Subject: Maintenance and Repair Protocols for Rainwater Drainage Systems Focus: Downpipe Obstruction Clearance If the blockage is near the bottom of
Working at height introduces significant risk. The following safety protocols are mandatory: clear blocked downpipe