Install zinc strips near the peak or hip and at 15 foot intervals down the roof.
Stop moss on roof.
How to prevent moss from growing on your roof 1.
The branches and leaves.
The simplest way to do this is to climb onto the roof with a length of hose attached to a water source and wash the moss off.
Houses with multi level roofs are at a higher risk of moss because the gutters on the upper roof often leak onto the lower roof creating a perfect home for moss.
Unfortunately even with the best tree trimming practices leaves and debris can still get.
Overhanging tree branches help create the perfect environment for moss to grow.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
Use a scrub brush on a pole and push the brush down the roof surface to force the moss from the roof.
Trim tree branches away from your roof to eliminate shading as any overhang from branches will inevitably shed sticks leaves and seeds onto your roof.
Eliminating either of these items will help reduce moss growth.
Roof treatments to remove or prevent algae liches moss growth.
Moss b ware chemicals that kill the moss or lichens on roofs can be effective as we illustrate below for a roof located in seattle where the homeowner applies corry s moss b ware treatment as a granulated powder sprinkled on the roof along the ridge line.
You can prevent moss from growing back by periodically going on the roof and spraying a bleach solution but there s an easier way.
A copper zinc or a galvanized metal strip installed on the ridge of the roof can prevent the growth of moss algae and lichen.
Most of it should come off quite easily although you might have to scrape out a few stubborn areas using your scraper.
Don t brush in an upward motion or you may damage the bond between layers of shingles.
Apply a storebought or diy cleaning solution to remove the moss.
Hose off and brush all moss loose from your roof shingles.
Start near the peak of the roof and work you way down to avoid damaging the shingles.
The strip will oxidize over time and wash down the roof plane when it rains making the roof plane much less habitable for moss algae and lichen.
If your moss problem requires more than.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Install a metal strip.
Rainwater falling on the roof strikes the zinc and washes down over the rest of the roof essentially inoculating the roof against moss.
Carefully place a ladder near the area of moss.
You can also prevent moss growth by installing zinc or copper coating strips like these on amazon below the top ridge on both sides of your roof.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
