Products which do not require rinsing but depend on the rain to wash away roof stains often take repeated applications to achieve even marginal results.
Roof washing results.
The manufacture suggests that this roof wash product can handle the following tasks but we feel a bit differently.
Great for asphalt wood metal composition roofs and more.
Stains rinse right off easily with roof wash a pressure washer and an easy spray on and rinse application.
Effectively removes stains on your roof from molds fungus and roof moss without the use of bleach.
How to clean your roof.
Kills mold mildew on tile slate and other non porous roofs.
Removes black streaks dirt and mildew stains from roof shingles fast.
Some roof cleaning contractors will spray a chemical on your roof and tell you to wait for weeks or months to see the results.
Stains are easily broken free from the shingles.
Better results 3 weeks from the gutter line.
Pressure washing is very effective but may be best for metal or concrete roofs.
Delivers transformative results.
Rinse stains directly stubborn stains can have jet of water knock them loose.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.