Lichen On Roof Shingles

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.

Lichen on roof shingles.

It holds moisture and can cause roofs to bend and bow inward and eventually collapse if left untreated. After just 16 years lichen and moss have taken hold on the surface of the asphalt roof shingles on the north side of the house the first step in maintaining your roof is to roof it right. Green algae black mold and moss begin to die off on contact. Easily remove lichen from shingles with wet forget.

If you re not doing the work yourself choose a qualified professional roofer to do the job. When this surface moisture freezes in cold temperatures it can lead to frost damage to roof shingles and other exterior surfaces. Lichen holds moisture in place against surfaces which speeds up normal wear and tear. The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.

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. Step 2 clean the roof annually. Sweep off dirt branches and debris and then wash down the roof surface with a garden hose with a pressure nozzle. Lichen can be really tricky to remove because it grips strongly onto the surface.

Lichens can be successfully prevented or at least minimized depneding on climate by choosing an algae lichens resistant asphalt shingle product when re roofing. I also have had good success by installing metal strips high on the roof. Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide. I constantly stopped to check to see if i sep 19 2018 learn how to remove lichen from your roof and all other outdoor it can lead to frost damage to roof shingles and other exterior surfaces.

Oxygen bleach fill a. Cleaning removes materials that trap water on the surface of the roof. Metal salts washing down the roof also are toxic to both algae and lichens that like to grow on roof surfaces. This can cause your roof shingles to bend warp and even separate from each other over time.

Inspect the roof shingles visually. Wet and forget is as simple as spraying your outdoor surface and forgetting it.