If using a homemade spray leave it on for 15 20 minutes.
How to remove moss from your roof.
Moss removal products and diy solutions some readymade cleaners like wet and forget liquid mold remover 30 walmart can be mixed and applied per manufacturer s instructions and left to kill the moss with no rinsing required.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
This is very important because wearing the right footwear is the most important step you can take in keeping yourself safe.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
Moss thrives in areas of a roof that gets the least amount of sun.
With either your homemade cleaner or a store bought option spray the moss.
Hose off and brush all moss loose from your roof shingles.
In this video this old house general contractor tom silva explains how to remove roof moss and prevent it from coming back.
Put on slip resistant shoes or special shoe grips before going up on your roof.
Make sure to have them cut by a professional arborist.
1 slide a margin trowel under shingles to unstick them from the ones below.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
These are shady spots where you ll find overhanging branches.
Within these areas though moss does.
In my experience kill the moss let it die and in a few weeks manually remove the dead moss with a soft cedar shingle it s not easy but it works.
Dry moss will not flake and blow away on its own.
North facing roof areas that receive little sunlight are prone to moss.
After you have killed the moss on your roof you must remove the dead moss manually or it will act like a sponge and soak up water further promoting decay.
To remove moss you first have to kill it.
Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss.
Step 1 dress accordingly.
Let the sun shine on your roof and your roof shingles to do their job.
Again many years of roof life are lost to power washing.
2 slide sacrificial zinc strip underneath the loosened shingles.
Safely set up your ladder near the moss.
Letting the moss slowly roll down your roof and into the gutters just clogs up the gutters downspouts and underground drains.
How moss will ruin a roof.
Remove moss from your roof as soon as you see it and don t let it become a much bigger problem in the future.
Doing this does not actually remove existing moss but it helps avoid new growths.