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To prep for metal roof painting, have a roof inspection conducted to determine the condition. Complete any repairs required before you paint. Remove the old paint on your metal roof, if any, remove rust and mold with a wire brush, and power wash the surface. Once the roof is clean and dry, start with a primer get painting.

When deciding on which at-home solution to use, bleach and vinegar are both effective at removing moss from driveways. Bleach tends to last longer, keeping moss away for up to a year, while vinegar may need to be applied more frequently. However, vinegar is much gentler on the environment, making it a safer option overall.

The cost depends on roof size, pitch, accessibility, and contamination extent. A steep roof or extensive moss growth may raise the price.

Soft washing chemicals typically consist of a mix of sodium hypochlorite (or a chemical component of bleach) and water. While sodium hypochlorite and bleach are often thought to be the same thing, there is one small but key difference between the two: sodium hypochlorite comes in powdered rather than liquid form, which means that it’s also more concentrated and more effective from less product overall.