Roof lichen or more regularly recognized roof moss or algae is a very common sight on many shingled or tiles roofs whilst appearing more like a cosmetic problem the roof lichen can cause serious harm to your roof.
How to get rid of lichen on roof shingles.
Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide.
Lichen will build up on the north side of buildings and in areas shaded most of the day.
Removing shingles one of the first steps to installing a new roof involves removing the nails or staples securing the shingles in place along with tarpaper and any valley or ridge shingles.
Inspect the roof shingles visually.
How to remove lichens moss from asphalt roof shingles.
It holds moisture and can cause roofs to bend and bow inward and eventually collapse if left untreated.
After the lichen has disappeared you can use wet forget as maintenance to keep your outdoor surfaces clean and lichen free.
As rainwater runs over the metal strip it washes some of the metal ions over the roof shingles below inhibiting growth.
To remove lichen and moss from the roof try the least toxic method for moss and lichen removal first oxygen bleach before moving on to a harsher method chlorine bleach.
Usually the strips are installed at 5 ft to 8 ft increments up a roof slope depending on how severe the moss lichen mold threat is.
Reapply the product on a yearly basis or at the first sign of new growth.
Wet forget does the hard work for you so you can and get back to doing the things you.
So if you attempt to remove it with a hand tool you may accidentally remove the protective top layer of your roof shingles as well.
Cleaning removes materials that trap water on the surface of the roof.
Sweep off dirt branches and debris and then wash down the roof surface with a garden hose with a pressure nozzle.
The odor intense odor will quickly disappear as the.
Step 2 clean the roof annually.
Oxygen bleach fill a.
Mosses and lichens grow in damp conditions.
An application of vinegar kills lichen.
Lichen can be really tricky to remove because it grips strongly onto the surface.
Whatever you do don t power wash an asphalt roof.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Avoid scrubbing because that will remove the sand like aggregate from the shingle and reduce its life or even damage it.