How To Un[work]: Freeze A Drain Pipe 2021

. Below is a report on safe methods and preventative measures based on best practices from 2021 and beyond. Lakeway MUD Initial Safety Steps Locate the Blockage:

Example: Bathroom sink works but laundry tub doesn't — the frozen section is likely along the laundry branch, often in the wall behind the washer or in a nearby crawlspace. how to unfreeze a drain pipe 2021

Check basements, crawl spaces, exterior walls, and uninsulated areas. The freeze point is often near an outside wall or where the pipe enters the ground. how to unfreeze a drain pipe 2021

| Don’t | Why | |-------|-----| | Use a propane torch | Melts PVC, ignites flammable sewer gases (methane) | | Pour boiling water directly into a frozen toilet or sink | Thermal shock can crack porcelain or PVC | | Keep running fixtures | Water has nowhere to go and will overflow | | Use chemical drain cleaners | They don’t work on ice and can splash back when the ice melts | how to unfreeze a drain pipe 2021