Get matched with top roof cleaners in Malden, MO

It may require stronger cleansers or chemicals, higher-pressure spray, or scrubbing to completely remove algae from a metal roof. Start with a mild cleanser; if that doesn’t work and you're comfortable doing so, use a stronger mix of ⅓ cup of laundry detergent, 1 quart of bleach, and 3 quarts of water to gently scrub the algae with a soft-bristled brush. If algae is present across large portions of your roof, doesn’t come off with gentle scrubbing and cleansers, or is in hard-to-reach areas, this may be a job better left to a pro.

It can be dangerous to remove icicles from your roof, so the best option is to treat the underlying issue instead, usually by ensuring proper insulation in your home. If you’re concerned about immediate damage, you can hire a professional to remove the icicles and the snow accumulation on your home to prevent the issue from recurring. Just make sure you use a long-term solution, too, like addressing insulation problems or installing roof heating coils on your roof.

An improper DIY roof cleaning could cause leaks by damaging the roofing material. Things like using too much water pressure on the shingles or applying a harsh cleaning solution could cause damage. If you do enough damage, you could harm the ability of the shingles or other roof materials to keep water out of your home.

Yes, pros use specialized solutions and pressure settings tailored to surface sensitivity.