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Understand the Cause of Wax Bleed

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Painters Beware: What is Wax Bleed and Solutions to Fix It.

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What happens here

Recognize that 'wax bleed' is caused by paraffin wax and wax hydrocarbons present within the siding material. When the house heats up, particularly from sun exposure, these hydrocarbons are drawn to the surface, bleeding through the existing paint. This process not only darkens the paint but also creates a waxy surface that prevents new paint from adhering properly, similar to trying to paint a candle.

Goal: Gain an understanding of why 'wax bleed' occurs. It is caused by paraffin wax and wax hydrocarbons migrating to the surface of the siding, especially when heated by the sun, leading to darkening of the paint and poor adhesion.

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What this is, I'll explain it. The dark parts are the part of the siding that's actually failing, not the light faded parts. What's happening, there's a lot of paraffin wax and wax hydrocarbons when the houses heating up are actually coming to the surface of the siding and bleeding through the paint, causing the paint to darken. Now the issue with this is these wax hydrocarbons are basically like a candle. If you try to paint a candle, the paint is not going to stick because it's wax, it's a waxy surface. These dark areas are basically a candle. A waxy surface caused by these wax hydrocarbons coming to the surface. And one of the tail tile signs, when I see a house

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