6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
Moss kill on roof.
Experts recommend that you save roof moss removal for a cloudy day.
This is oof cleaning products which should be left to absorb into the moss for at least 20 minutes will not evaporate as quickly as they would on sunny days.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
If you ignore it overtime moss will grow beneath your shingles and lead to more severe damage.
The easiest way to do this is to bring a garden hose onto the roof with you.
7 protect nearby shrubs and lawn with plastic tarps.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
Space between the strips.
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.
Again many years of roof life are lost to power washing.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Diluting the bleach will prevent the discoloration of your pavement save your.
Spray a ready to use vinegar herbicide on moss on a still dry day when rain isn t forecast and the temperature is higher than 65 degrees fahrenheit.
Letting the moss slowly roll down your roof and into the gutters just clogs up the gutters downspouts and underground drains.
Or you can use a sprayer with plain water to first moisten the moss then refill it with the moss killing solution.
Hose off and brush all moss loose from your roof shingles.
Let the solution remain on the moss for 20 to 45 minutes which should be long enough for the moss to die.
Effective roof moss products work on the same principle as lawn moss controls and prevent moss from retaining water.
Without moisture roof moss dries out turns dark and dies.
A simple mixture of bleach and water will kill the moss causing it to dry up release from your roof and blow off in the wind.