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The paint forms a seal and prevents water and air from reaching the metal surface and prevents corrosion or rust from forming. A crack in the paint would allow water to reach the metal and cause corrosion or rusting beneath the paint surface, out of sight until the rust becomes visible. A road chip thrown against a car's paintwork is a likely cause of pitting on a car - which spreads and causes rust holes in the car's bodywork unless treated as soon as possible.

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9y ago

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How can you protect your house from biological weathering?

To protect a home from weathering, it should have fresh paint at all times. All surfaces should be sealed and there should be no cracks in the exterior.


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