These methods are for exposed pipes or access points. Do not attempt to thaw pipes buried deep in the ground without professional equipment.
If the pipe is buried 4–6 feet underground, DIY methods will not work. Plumbers use two primary techniques:
The freeze usually happens in one of three places:
If you have a septic tank, ensure the lid is properly sealed. Cold air entering the tank can freeze the outlet pipe.
Call a licensed plumber immediately if:
Wrap exposed sewer pipes in unheated areas (basements, crawlspaces, garages) with foam pipe insulation or heat tape.