Bathroom

Sealing subfloor holes with big-gap expanding foam before a self-leveler pour, trimmed flush the next day.

A 2x4 set on the shower curb's centerline during framing so the glass door anchors into solid wood, not bare drywall.

Bagging the fixture so the wall behind it can be rolled without masking or drips on porcelain.

Using a rubber drain-pipe coupling as a full-surface grip to turn out a seized shower cartridge that a wrench can't budge.

Restoring airflow to a bath fan clogged with dust and grime.

Clean seams where two different floor materials meet.