You must let the roof dry before a second application of mix.
Fungicide roof cleaning.
Also some people quote that their roof cleaning product will keep the moss away for 3 years an extra 6 more months than if you hadn t treated the roof at all.
You can do this easily with a 1 1 ratio of bleach and water.
Bleach kills fungus on contact.
Cleaning due to evidence of permanent asphalt shingle damage caused by high pressure powerwashing.
Bleach dry laundry detergent and water are all you need in some cases.
Allow the roof to dry thoroughly.
Spray the affected material thoroughly and use a brush or a sponge to scrub the mold away.
If it is slimy or any sort of residue comes off on your hand repeat the above steps.
Join the growing number of homeowners communities and contractors that no longer worry about roof cleaning because they choose roof a cide.
Inspect the roof for any remaining fungus.
For over 25 years we ve worked with communities contractors roofing manufacturers the epa to develop the safest and most cost effective solutions to the problem of roof stains and eliminating the need for repeated roof cleaning.
Most of the services we offer that involve the use of a fungicidal washes are done through spraying.
But anyway this is what they call it.
Spray fungicides is a very effective way to kill organic growth on roofs.
Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off.
Something that kills mushrooms.
If the roof fungi haven t damaged the structural integrity of the roof you should be able to clean it yourself.
I ve never been called to get rid of a spreading mushroom infestation on a roof.