Question our contractor suggests water blasting of tile roof to remove dirt and what i will assume is mold.
Bleach on tile roof.
Why not clean my roof with bleach.
It is this very oil tar and asphalt which protect your shingles from the elements.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
To clean a tile roof use a pressure washer to spray the roof with plain water to dislodge any loose dirt or debris.
Below is a recent question submitted through our ask the expert form and the response from tri president and technical director rick olson.
Oxygen bleach however will kill the moss without harming your roof.
Once your roof dries fill the pressure washer with an anti moss or fungicide solution and spray the.
Roof cleaning using chemicals like chlorine bleach and tsp.
Roof stains return in as few as 9 months and the roof mold is worse than before.
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.
You can try bleach sodium hydroxide or vinegar.
Contractors are often asked about the best way to clean a tile roof.
Moss is quite a plant life.
When spraying start at the top of your roof and work down toward the gutters so the debris is headed in the right direction.
What bleach does to 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.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot away from the tiles as you work.
Chlorine bleach will do the job but it can damage or discolor certain types of roofing such as wooden shingles.
According to tim carter author of the nationally syndicated column ask the builder bleach will kill the moss growing on your roof.
Animal products are always an issue.
Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment.
Clean your roof without taking proper safety precautions.
You will want to use something that will kill it.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
Clean your roof on a cloudy calm day when the wind isn t blowing and there s no threat of precipitation.
Plan to wash clay tiles roofs about every two years to keep mold and algae at bay.
You can use vinegar or bleach to clean off the roof.
