Two weeks ago, I noticed paint bubbles on the exterior door. So I hired a painter to fix it and I also asked why does paint bubble on exterior. He explained that extreme heat can make the paint dry too quickly, causing bubbles. Also, having too much moisture on the surface can also lead to bubbling. He shared a few other reasons, which I have mentioned below.
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Why Does Paint Bubble on Exterior Door?
Here are the few reasons the painter informed me of bubble formation on the exterior.
He said the paint bubbles happen when you paint over a dirty surface.
Primer helps the paint stick better to the surface and prevents blistering. If you skip primer, especially on new or rough surfaces, the paint may not bond well and could blister later.
When water or humidity gets under the paint, it creates pressure as it dries, which leads to blisters and peeling.
Extreme heat can make the paint dry too fast, causing bubbles. If the paint dries too quickly, moisture or solvents trapped inside can't escape, leading to blisters.
Using the wrong roller cover can cause bubbling. It might not disperse the paint or leave behind bits of lint, which can lead to an uneven finish and paint blisters.
I hope this will help you.
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Why Does Paint Bubble on Exterior?
Hari89
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3 months
2025-03-27T00:34:59+00:00 2025-04-01T10:42:05+00:00Comment
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