Rinse from the top of the roof down to avoid re staining the shingles with the dirty water.
How to remove stains from vinyl roof.
Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae.
A sponge or washcloth will easily be able to handle the task of wiping the vinyl clean.
As you move the cloth you ll see how it comes away covered in the dirt that was on the roof interior.
Once the mildew stains have been removed the smell of white wine vinegar will linger for several days so make sure your vinyl is placed in a well ventilated area.
Rinse the section of the soffit you just scrubbed washing away all of the dirt and rinsing enough to clear the surface of detergent and bleach.
Use the same diluted bleach and water solution that you would use to remove wine.
Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation.
Wash away water stains water stains on vinyl tiles are one of the more stubborn stains you ll face but it s still possible to remove them.
Soak a white cloth in the solution place it over the stain and follow with a layer of plastic wrap.
Use another microfibre cloth not the same one as before to wipe the ceiling interior again soak it lightly in warm water and wipe the roof lining in straight line motions removing the cleaning product.
Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles.
Mix one part household bleach with four parts water soak a rag in it and lay the rag over the stain.
Use your spray bottle to vigorously squirt cleaning solution onto your mildew stained vinyl.
Fit a squeeze trigger nozzle onto the end of your garden hose turning it clockwise to tighten and turn the pressure on high.
You may have to leave the rag in place for an hour or so.
So the algae colony gets right back to work.