What is a nail pop?

A nail pop (also called a popped nail or popped fastener) is a common issue in drywall (sheetrock) walls or ceilings where the head of a nail — or more often a screw in modern construction — pushes outward through the surface. This creates a visible small circular bump, dimple, bulge, or sometimes a crack/hole in the paint and drywall paper. It looks like a little raised “blister” or sore on the wall, and in worse cases, the actual metal nail head becomes exposed.

It’s called a “nail pop” because the fastener essentially “pops” out slightly due to movement or loosening over time. While the term originally referred to nails (common in older homes), it now applies to screws too.

Common Causes

Nail pops are usually not a sign of major structural failure (like severe foundation problems), though some sources mention uneven settling as a possible contributor. Most often, they’re caused by:

• Wood framing shrinkage — In new homes especially, lumber dries out over the first 1–2 years (or longer), shrinking slightly and pulling away from the drywall, which pushes the fastener head forward.
• Humidity/temperature changes — Seasonal expansion and contraction of wood framing loosens fasteners.
• House settling — Normal minor movement as a home adjusts to its foundation.
• Improper installation — Nails/screws driven at an angle, too shallow, overdriven, or missing the stud; or using nails instead of screws (screws hold better long-term).
• Moisture issues — High humidity, leaks, or poor ventilation can swell drywall or weaken hold.

How to Fix It

Most nail pops are easy DIY cosmetic fixes:

Gently hammer the popped nail/screw back below the surface (use a nail set or hammer for nails; screwdriver for screws).

Add 1–2 new drywall screws nearby (above/below or around the pop) to re-secure the panel.

Apply joint compound (spackle) over the area, let dry, sand smooth, and repaint.

For stubborn or recurring pops, check for underlying moisture or framing issues.