A Frozen Drain Pipe ~upd~ - How To Fix
Work from the drain opening toward the blockage , not the other way around. You want melted water to flow out, not get pushed deeper.
: Tap the pipe with a screwdriver; a solid, non-hollow sound suggests an ice blockage. 2. Prepare for Thawing How to unfreeze a kitchen drain pipe? how to fix a frozen drain pipe
This is best for pipes that might be near flammable materials. Work from the drain opening toward the blockage