Why Would Paint Bubble?

Paint blisters or bubbles occur when the paint film lifts from the underlying surface. The loss of adhesion between the paint film and surface is usually caused by heat, moisture or a combination of both.

Why Would Paint Bubble?

Paint bubbling is an annoying and often concerning issue on interior and exterior surfaces. It is caused by various factors, such as moisture, temperature, and the quality of the paint itself. It is important to understand why paint bubbles in order to address the problem and restore the surface correctly.

Moisture is one of the most common causes of paint bubbling. Paint should not be applied to a surface without first ensuring that the surface is completely dry. If there is any moisture present, such as from rain, condensation, or humidity, it can cause the paint to bubble as it attempts to dry. This is especially true for latex-based paints.

Temperature can also be a factor when it comes to paint bubbling. Exterior surfaces that are exposed to extreme temperatures can cause the paint to bubble. This is because paint expands and contracts with changes in temperature, and if the expansion is too much, the paint can bubble. Likewise, interior surfaces that experience temperature fluctuations can also cause paint to bubble.

The quality of the paint itself can also play a role in paint bubbling. Latex-based paints are more prone to bubbling than oil-based paints, so it is important to select a high-

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