Found these strange bubbles forming under the paint on my wall near the floor. They feel soft to the touch and seem to be getting bigger—is this a reaction to humidity or something worse?

To determine if the bubbling is purely a result of humidity or if there is a more significant problem, start by assessing the environment. Measure the humidity levels in the room using a hygrometer; levels above 60% can contribute to paint bubbling due to excess moisture in the air.

Examine the location of the bubbles. If they are concentrated near a water source, such as a bathroom or kitchen, humidity might be the culprit. However, if the bubbles are widespread or located on interior walls away from water sources, this could indicate a leak within the wall or rising damp from the floor.

Several common sources of moisture can lead to bubbling paint. These include leaks from plumbing pipes within the walls, roof leaks that allow water to seep down the walls, and condensation from poorly insulated areas.

In older homes, moisture can also come from the ground through a process known as capillary action, where water is drawn up through the foundation into the walls. Identifying the source of moisture is essential for addressing the issue effectively.

If the bubbles are accompanied by other signs such as discoloration, mold growth, or a musty odor, this strongly suggests a leak inside your wall. Other indicators include peeling paint, crumbling drywall, or a consistent wetness in the same area, even when it has not rained.

An infrared camera can help detect moisture behind walls without causing damage, highlighting cooler areas indicative of moisture presence.

5. When Rising Damp From The Floor Is The Real Culprit

Recent Articles

The ring you choose reflects your personality.

Pecan Cream Pie

Cases are on the rise

My 9-year-old daughter baked 300 Easter cookies for the homeless — the next morning, a stranger showed up at our door with a briefcase full of cash. My daughter, Ashley, has always had a heart too big for her chest. Since my wife died, we’ve barely been making ends meet. We spent everything we had trying to save her from cancer. But when Easter came this year, Ashley told me she’d been saving up her own money to buy ingredients. “For the homeless,” she said. Her mom used to be one of them. She was thrown out by her parents when they found out she was pregnant with Ashley. When I met her, she had nothing — but she had the brightest smile and the sharpest mind I had ever seen. I fell in love with her. I took her and Ashley in. And from that moment on, Ashley became my daughter in every way that matters. So when Ashley said she wanted to help people like her mom once was… I didn’t stop her. For three nights straight, after school and homework, she baked. Her little hands worked nonstop. She found her mom’s old cookie recipe. She rolled every piece of dough herself. She decorated every cookie. She made three hundred cookies. On Easter, she handed them out one by one. She looked people in the eyes. She wished them a Happy Easter. Some of them smiled. Some of them cried. I stood there thinking it was the proudest moment of my life. I thought that was the end of it. The next morning, I was washing a mountain of dishes when the doorbell rang. I opened the door. An older man stood there in a worn-out suit, holding a scratched aluminum briefcase. His eyes were locked on Ashley. Before I could ask anything, he set the case down and opened it. I froze. Stacks of hundred-dollar bills — more money than I had ever seen in my life. “I saw what your daughter did yesterday,” he said, his voice shaking. “I want to give all of this to her.” My heart skipped. Then he added: “But you have to agree to ONE CONDITION.” My chest tightened. “What condition?” I asked. He stepped closer. He lowered his voice. And what he asked for in return made my blood run cold.