Clean up any organic matter on the roof such as twigs leaves or other debris.
How to get rid of mould on roof tiles.
The areas directly below the flashing will be free of any algae stains.
If some remains apply the cleanser again wait 10 more minutes and repeat the rinse process.
For maximum coverage use a pump sprayer to disperse the solution.
Adding some tri sodium phosphate tsp will help clean the roof at the same time.
If your roof is super bad make sure you consult someone professional before taking action.
In addition exterior mold can easily work its way into the house if left unchecked.
The strips also work on roofs suffering from moss buildup.
Step 3 let the solution sit for 15 minutes then rinse it off with a hose.
To get rid of mold and other types of growth for good it s best to use a powerful chemical agent like chlorine bleach.
In addition to rotting and possibly damaging your roof.
Using a plastic pump type garden sprayer thoroughly soak the affected area with your choice of chemical.
How to get rid of algae and mold.
Next rinse the shingles thoroughly with a garden hose at low pressure.
Just scrub it off first with a brush then bleach as above.
With regular cleanings you can get rid of the algae before it even becomes an issue and definitely before it gives way to rot mold and mildew.
You can whip up your own basic cleaner by combining one quart of bleach one gallon of water and cup 60ml of trisodium phosphate tsp.
Don gloves and eye protection and liberally spray a 1 to 10 solution of bleach and water on the surface.
Then add one tablespoon of trisodium phosphate tsp and mix well.
Grab a microfibre cloth dip it into the first bucket then use it for cleaning a patch of mould.
Fill a handheld pump sprayer with the solution and apply it to the moldy shingles only.
Bleach mixtures can injure sensitive plants.
The same microfibre cloth should then be rinsed in the second bucket then rinsed again in the third to ensure cross contamination doesn t occur.
Start from the top shingle and rinse downward to prevent water seepage.
How to use bleach mixtures on your roof.
Why spend money cleaning a roof when it needs a repair.
Run your gloved hand over the shingles to check for any slimy mold remaining after you re finished rinsing.
You can probably see this same principle working on roofs in your neighborhood.
Let sit for 10 to 20 minutes and rinse with a garden hose.
Use a stiff brush such as a pushbroom to scrape away any stubborn mold or lichen patches.
Mix 1 part bleach to 3 parts water and apply to the mildew covered area with a hand pump sprayer.
Look for chimneys with copper flashing.
In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water.
How to remove moss lichen from the roof with vinegar.
