Why Paint Blisters, and What to Do About It

Blistering is what happens when the top coat of paint parts ways with the coats beneath it. The blisters look rather like pox on a face and are unsightly bumps on the smooth paint surface. Painting an exterior just before it rains can be every bit as harmful as putting paint on a wall that’s already wet. A humid day can lead to water-filled blisters, which must later be scraped and touched up. Paint blisters are another real possibility if you do not correctly assess and prepare the walls before painting. There are any number of things to avoid when painting and blisters are one item to be avoided. Here are ways you can avoid paint blisters.

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