If you notice green white or gray spots on your roof moss and lichen are likely the culprits.
How do you get rid of moss on roof shingles.
3 secure the strip with roofing nails.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Apply liquid cleaners with a hand pump sprayer or with a pressure washer on the lowest setting so as not to cause any damage to the shingles.
A homemade cleaner of one part liquid chlorine bleach to one part of water can also be effective in removing and killing moss that clings to the roof tiles.
Experts recommend that you save roof moss removal for a cloudy day.
To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
Potassium salts of fatty acids applied using a hose end spray attachment.
Get off the roof and apply the vinegar to the moss and lichens around the edge.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
1 slide a margin trowel under shingles to unstick them from the ones below.
Step 6 wait for the vinegar to kill off the moss and lichens.
Roof moss and lichen are not only unsightly but can damage the roof over time.
Instead you will need to use a hose and gently scrape the moss off of the surface of the roof.
2 slide sacrificial zinc strip underneath the loosened shingles.
It s best to clean moss off a roof as soon as you notice it s growing there.
Once all the moss is removed you ll need to kill the moss by carefully using bleach.
Both algae and moss can be easily removed from asphalt shingles with a 50 50 solution of chlorine bleach and water.
4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
Laundry strength bleach is sufficient or you can opt for any of a number of proprietary roof cleaners some of which don t contain bleach lye or other potentially harmful chemicals.
Apply the vinegar to the moss and lichens on the roof with the spray bottle.
Spray the moss covered roof with a moss control product or sprinkle the material on depending on the product formulation.