Bleach and vinegar can both kill mold but vinegar is much more effective for removing mold from porous materials.
Garage roof mold bleach.
Roof stains return in as few as 9 months and the roof mold is worse than before.
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.
Spray the roof with the diluted substance and let it sit for about an hour.
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.
This is because bleach only kills mold spores on the surface of affected materials.
Wind sunlight water etc.
7 protect nearby shrubs and lawn with plastic tarps.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
For larger jobs use 1 cups bleach added to 2 gallons of water.
It is this very oil tar and asphalt which protect your shingles from the elements.
Vinegar will penetrate porous materials and kill the mold at the roots.
I also just use a water hose to rinse it off.
Never mix chemicals together.
I bleach my roof every 2 years.
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.
With that being said check the garage roof gutters pipes etc.
Protect larger plants by covering them with plastic sheeting.
Use only one of these substances mixed with water at a time.
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.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
The bleach get those black stains off and your roof looks brand new again.
What bleach does to your roof.
Thoroughly water any plants near the area where you will be working.
Frequently to ensure that they are in good condition i e.
I let the bleach sit for like 10 minutes.
If you use bleach to remove mold growth there is a good chance that the mold will return.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
That nothing is leaking.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
Which is exactly why you want to remove moss in.
Add cup clorox regular bleach 2 with cloromax to 1 gallon water in the 5 gallon bucket.
In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water.
Space between the strips.