: If the pipe is accessible, applying heat with a hair dryer or heating pad is much safer than using an open flame, which can melt plastic pipes or cause metal ones to crack from thermal shock.
You spot it through the winter glare—a clear PVC drain pipe, now a solid column of ice. It’s not just blocked; it’s vulnerable. Clear plastic offers little insulation, and once frozen, that pipe can crack, leak, or burst when the thaw comes. clear frozen drain pipe