Of liquid detergent, chlorine, bleach and water. This is the best way to clean a roof if it has asphalt shingles. A combination of bleach and water is an excellent option for cleaning a roof without damaging the shingles. Bleach helps dissolve mold, algae and fungi while restoring the color of shingles.
To clean the roof, mix a 50-50 combination of bleach with standard bleach. Add it to a garden hose attachment and spray it to the top of the roof. Saturate a large area of shingles with the cleaner. Start in the bottom row and work your way to the top.
Re-spray areas that dry out. Another easy way to remove leaves, sticks, and other debris from the roof is with a blower. The blowers gently expel dirt without causing any damage to the shingles. If you have access to an air blower, feel free to use it to remove dirt.
For many, this is the preferred method because it doesn't require bending down or getting too dirty. BUT there will be a bigger mess than cleaning up the floor. When you blow out debris, it doesn't always turn into a good pile. Keep this in mind when choosing a blower instead of a manual removal.
If you have the experience and the right tools, trying to clean the roof isn't a big deal, but it does present a lot of dangers. The best time to clean a shingle roof is when there is no expected rain for several days and when temperatures don't drop below freezing. If the roof slope is not too steep and you feel comfortable working on it, you can clean it yourself and save the dough. If you're wondering how to clean asphalt shingles, how to clean moss from asphalt shingle roofs, or how to clean mold from asphalt shingles, you've come to the right place.
Roof cleaning involves a few steps, the first and most important of which is to identify what treatment will be needed to clean the roof, with the least amount of collateral damage to the roof itself and to the landscaping, if any. Trying to maneuver a bucket or bag on the roof can sometimes be tricky, so throw it on the floor and clean the floor later. If your ceiling has black stripes, white “spots” called lichens, or moss growing on it, then it needs to be cleaned. Some may believe that you can simply clean the ceiling with a pressure washer, and while that would probably work theoretically, using a pressure washer to clean the ceiling is the “kiss of death” for the integrity of that roof.
Learning the best way to clean asphalt shingles is part of the job when you're a homeowner. Remember to always be aware of proper roof safety procedures, as you can fall off the roof and be seriously injured. A bleach mixture to clean asphalt shingles will not damage the roof and will clean most types of roof damage. A 50-50 mixture of bleach and water is excellent for cleaning moss, mold and other stains from the ceiling.
If you have more difficult problems with the ceiling, such as moss or black stains, which you can't remove with a soft broom or brush, you may have to take another route to clean the ceiling. The only way to avoid using more chemicals than normal is to clean the ceiling more often.