The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
How to clean tile roof with bleach.
Why not clean my roof with bleach.
At keeping it clean we ve seen just about everything when it comes to roofs and moss removal and we can tell you upfront that using bleach on your roof is rarely a good idea.
Plan to wash clay tiles roofs about every two years to keep mold and algae at bay.
Algae it is entirely reasonable for algae to build up especially after a wet season.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
So let s take a look at what you will find on your roof and discuss cleaning options.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Thanks for the guide.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
Once your roof dries fill the pressure washer with an anti moss or fungicide solution and spray the.
Clean your roof on a cloudy calm day when the wind isn t blowing and there s no threat of precipitation.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
Which means it can grow roots and do damage to the tiles and the decking.
Another way to clean shingles with bleach is to combine 1 gallon of water with 1 quart bleach and 1 4 cup trisodium phosphate according to today s homeowner.
Oxygen bleach however will kill the moss without harming your roof.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
Roof stains return in as few as 9 months and the roof mold is worse than before.
What bleach does to your roof.
To clean a tile roof use a pressure washer to spray the roof with plain water to dislodge any loose dirt or debris.
When spraying start at the top of your roof and work down toward the gutters so the debris is headed in the right direction.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot away from the tiles as you work.
It is very important to rinse the shingles before the bleach solution dries notes the asphalt roofing manufacturers association.
Why not clean my roof with bleach.
Roof cleaning using chemicals like chlorine bleach and tsp.
You can use vinegar or bleach to clean off the roof.
Chlorine bleach will do the job but it can damage or discolor certain types of roofing such as wooden shingles.
