If you want to use oxygen bleach to prolong the lifespan of your roof it will kill moss.
Bleach mix to remove roof moss.
Use an extra long paint stirrer or similar item to thoroughly mix the contents together.
You also can make your own moss remover in a large spray bottle with one of these four diy recipes.
If your moss problem is extensive and you plan to use a large quantity of chlorine bleach bear in mind that it will accelerate the corrosion of your metal gutters and downspouts.
It s slower acting than chlorine bleach.
Transfer your diluted bleach solution to a garden or backpack sprayer.
Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket.
8 ounces dawn ultra dish soap 2 gallons of water 1 pound powdered oxygen bleach 2 gallons of.
Wind sunlight water etc.
Step 2 fill the reservoir on a garden sprayer with the cleaning solution.
Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too.
Spray the bleach solution over the moss mats so the moss is completely soaked.
Carefully pour some of it into a watering can which is much easier to use when you are ready to apply the bleach water solution to the moss.
Mix 4 scoops or 1 2 cup of oxygen bleach with 4 gallons of warm water.
Apply generously over the remnants of the moss and the roof shingles.
Leave the bleach solution on for 20 minutes then rinse off.
It is this very oil tar and asphalt which protect your shingles from the elements.
To clean either algae or moss the association recommends putting on protective gear and protecting plants spraying with a 50 50 mix of household bleach and water allowing that to sit for at.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
Step 4 use the watering can to drench the moss with the bleach water solution.
Wait 15 minutes for the bleach to do its job.