Clean your roof on a cloudy calm day when the wind isn t blowing and there s no threat of precipitation.
Bleach on tile roof.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
You will want to use something that will kill it.
I have some roof shingle mold mildew and was going to try jay j s suggestion of 1 cup bleach to 1 gallon water but was concerned that the bleach would damage the asphalt aspect of the shingles.
Once your roof dries fill the pressure washer with an anti moss or fungicide solution and spray the.
Chlorine bleach will do the job but it can damage or discolor certain types of roofing such as wooden shingles.
Oxygen bleach however will kill the moss without harming your roof.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment.
Thanks for the guide.
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.
Below is a recent question submitted through our ask the expert form and the response from tri president and technical director rick olson.
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.
Clean your roof without taking proper safety precautions.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
You can use vinegar or bleach to clean off the roof.
Roof cleaning using chemicals like chlorine bleach and tsp trisodium phosphate as a cheap roof cleaning spray to make your shingles look new again is not advisable.
Why not clean my roof with bleach.
What bleach does to your roof.
You can try bleach sodium hydroxide or vinegar.
According to tim carter author of the nationally syndicated column ask the builder bleach will kill the moss growing on your roof.
Contractors are often asked about the best way to clean a tile roof.
Moss is quite a plant life.
Roof stains return in as few as 9 months and the roof mold is worse than before.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Question our contractor suggests water blasting of tile roof to remove dirt and what i will assume is mold.
Plan to wash clay tiles roofs about every two years to keep mold and algae at bay.
Animal products are always an issue.
It is this very oil tar and asphalt which protect your shingles from the elements.
