How do you clean mildew off of vinyl siding and guttering?


Quick Answer

A mixture of 1/3 cup powdered laundry detergent, 2/3 cup trisodium phosphate cleaner, 1 gallon of water and 1 quart of household bleach removes mold and mildew from vinyl siding and gutters. Leave the mixture on the siding for 10 minutes, and then rinse off completely.

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Full Answer

Cover any plants in the area with plastic prior to treatment. Working from the bottom of the vinyl siding to the gutters, apply the cleaning solution with a pump garden sprayer. After the treated area has soaked in the solution for a short time, brush the siding with a soft-bristled brush, then rinse the area off with water, working from the gutters downward.

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