For heaver growth re apply after one month.
Roof anti moss.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Roll 2 x no nail adhesive installation kit to avoid ugly roof stains from moss algae fungus and mildew made in the usa.
Copper possesses natural anti algae properties and the copper in the granules is gradually released over time to provide reliable long term protection from algae formation to help a roof maintain its true luster.
For best results on a roof first scrape off any excess moss.
The remaining parts of this cedar shake roof are covered mainly with the moss dicranoweisia.
We ve been around since 1984.
The natural action of rain water time releases zinc carbonate a proven fungistat which then washes down the roof preventing destructive roof moss algae and fungus growth.
Zinc strips and galvanized flashing are apparently relatively safe.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Z stop is a zinc roof moss algae and fungus inhibitor that is applied in strips to old or new roofs.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
For areas where there is standing water such as a patio driveway you will need to apply this product yearly.
A leaf blower or gentle sweeping can be helpful.
You can cut strips of zinc flashing copper and lead work too and slide them under a course of roof shingles to kill lichen and moss growing there or you could just buy these premade strips from shingle shield.
The premade ones are much quicker and probably neater looking.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Other roof cleanig procedures such as power washing or sweeping are discussed and are not recommended.
Power washing can damage shingles or get water under them.
By galvanized flashing that has suppressed the growth of mosses below the skylights.
Hose off and brush all moss loose from your roof shingles.
It works with any wood or composition roof.
These shingles are made with a blend of surface granules that includes numerous copper containing granules.
If it is safe to walk on your roof carefully use hand tools not power washing to remove moss leaves and needles from roofs.