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

than only cleaning the visible growth.

Look for Small Gaps and Construction Seams

If expanding foam is suspected, a close inspection may reveal where it escaped.

Common locations include spaces around pipes, outlets, window frames, baseboards, and wall joints.

Foam placed behind a wall can expand through very small openings.

The visible portion may harden continue reading …