One of the questions I get asked most about pressure washing is if bleach is safe to use on homes with vinyl siding.

Yes, bleach is safe to use on vinyl siding as long as it is used at the proper dilution ratios.

As a professional pressure wash contractor it is my responsibility to use the proper cleaning methods recommended by the manufacturer of vinyl siding or any other building material.

Here is a document from the CertainTeed vinyl siding manufacturer website that shows what they recommend on cleaning mold & mildew from vinyl siding.

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