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Chalking
 Description
Excessive and heavy powdering. Paints chalk naturally somewhat over long exposure to sun and weather.
Probable Cause
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Usually due to natural weathering.
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Paints using excessive clay on place of titanium dioxide.
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Interior paints being used for exterior surfaces.
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Over thinning or spreading too thinly.
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Wrong product selection.
Solutions
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Remove all of the chalk dust with a stuff bristle brush (wire on masonry) and rinse thoroughly with a garden hose with high water pressure.
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For best and quickest results, use a power washer.
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If some chalk residue still remains, a chalk binder coat is required.
Primers & Interior Finishes
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Priming is essential for stronger adhesion, sheen uniformity, mildew control, and durability.
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Select a top quality California Paints exterior paint in the color and sheen of your choice.
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