I Used Expanding Foam Behind Loose Skirting Boards—Here’s What Went Catastrophically Wrong

I Used Expanding Foam Behind Loose Skirting Boards—Here's What Went Catastrophically Wrong

A common DIY mistake turns into a cautionary tale: one homeowner discovered that squirting expanding foam behind loose skirting boards overnight resulted in every board bowing outward and half-detaching from the wall by morning. Discover why this happens, how to fix the damage, and the safer alternatives professionals use.