I bleach my roof every 2 years.
Garage roof mold bleach.
Wind sunlight water etc.
Spray the roof with the diluted substance and let it sit for about an hour.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water.
For example roof cracks can be a cause of small puddles in your garage which if not properly dried out can become one of the mold causes.
Add cup clorox regular bleach 2 with cloromax to 1 gallon water in the 5 gallon bucket.
For larger jobs use 1 cups bleach added to 2 gallons of water.
I also just use a water hose to rinse it off.
Vinegar will penetrate porous materials and kill the mold at the roots.
Space between the strips.
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.
Frequently to ensure that they are in good condition i e.
It is this very oil tar and asphalt which protect your shingles from the elements.
I let the bleach sit for like 10 minutes.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
If you use bleach to remove mold growth there is a good chance that the mold will return.
Put on rubber gloves and a breathing mask before proceeding so you can protect your skin and your lungs from the fumes produced by both bleach and trisodium phosphate.
8 spray the cleaning solution onto the shingles using a garden sprayer.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Bleach and vinegar can both kill mold but vinegar is much more effective for removing mold from porous materials.
What bleach does to your roof.
That nothing is leaking.
Vinegar bleach ammonia and salt will all effectively change the ph level of your roof allowing you to clean it.
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.
Which is exactly why you want to remove moss in.
Never mix chemicals together.
7 protect nearby shrubs and lawn with plastic tarps.
This is because bleach only kills mold spores on the surface of affected materials.
Then add one tablespoon of trisodium phosphate tsp and mix well.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
With that being said check the garage roof gutters pipes etc.
Thoroughly water any plants near the area where you will be working.
Soaking the mildewed areas with a bleach solution and wiping off the discoloration is a short term remedy but if the mildew returns quickly or you notice black mold developing the best course of.
Roof stains return in as few as 9 months and the roof mold is worse than before.
