10 Best Roof Cleaners 2025 in the United States

Wet & Forget Outdoor Moss, Mold, Mildew, & Algae Stain Remover is a versatile multi-surface cleaner that attaches to your garden hose with a new and improved nozzle for ease of use. The jet tip can spray up to 30 feet, making it ideal for reaching high areas like roofs, while the fan tip allows quick application on larger surfaces such as driveways and decks. One significant advantage is that it doesn't require rinsing and works over time with the wind and rain, cleaning green stains in 1-2 weeks and more stubborn black stains over several months.

The Concrobium 27400CAL Mold Control Aerosol is specifically designed to tackle mold, mildew, and musty odors, making it valuable for maintaining cleanliness in areas prone to dampness. This product uses an EPA-registered formula that works by crushing mold spores as it dries, leaving behind an invisible barrier that prevents regrowth. With an odorless composition and no bleach or harsh chemicals, it is safe for use on a diverse range of surfaces including roofs, making it an environmentally friendly choice. Its application is straightforward: simply spray it on the affected area and allow it to dry, without any need for scrubbing or rinsing. This ease of use can be particularly appealing to homeowners looking for a low-maintenance option.

The Zep House and Siding Pressure Wash Cleaner Concentrate is a powerful, construction-grade cleaner designed to tackle stubborn stains and dirt. It's particularly effective on vinyl, aluminum, and wood siding, as well as gutters, brick, and hard coat stucco. This makes it versatile for various exterior cleaning tasks.