Chlorine bleach tsp chemical combination can kill plants and the phosphates hurt the environment.
Cleaning roof with bleach and tsp.
Regardless of where you live in the usa the stains are the same as well as the cleaning procedure.
Mixing tsp for roof cleaning.
We are a roof cleaning company in new jersey.
To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons.
Diluted in water and applied often with a stiff scrub brush it can.
But outdoor heavy duty cleaning usually calls for more heavy duty mixtures such as tsp and chlorine bleach see the tsp page for more details or specialty additives such as jomax from rustoleum which combines a cleaner with a bleach activator.
We use a 5 5 gallon system just for this reason.
Why not clean my roof with bleach.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
Mold or mildew makes black ugly streaks on a roof.
Roof cleaning using chemicals like chlorine bleach and tsp.
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.
Jul 6 2012 how to clean mold off a roof.
Tsp can be very difficult to mix hot water is recommended but not needed here is a simple method.
They clearly warn against pressure washing and suggest the use of bleach and tsp trisodium phosphate.
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.
When you re ready to get started spray your roof using a garden hose with a spray nozzle attachment starting at the top of the roof and blasting downward so the dirty water runs off the sides.
Roof stains return in as few as 9 months and the roof mold is worse than before.