Mysterious Pink Crust Appearing on Your Wall? Here’s What It Might Mean

few commenters offered more imaginative explanations, comparing it to larvae or something from a science-fiction film.

The wide range of theories made the mystery more interesting but did not provide certainty.

One Possibility Was Expanding Sealing Foam

Expanding foam is commonly used around pipes, windows, wiring, and small gaps in walls.

It can swell continue reading …