Here we discuss the causes of algae moss lichens or fungal growth on roof shingles the effects of these conditions and how to cure or prevent them.
Algae on slate roof.
Asphalt roof shingle defects.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Scrub the slate vigorously to remove the algae.
If necessary dip a toothbrush in the soapy water.
Step 2 dip a nylon scrub brush in the soapy water.
Regular cleaning is an important part of keeping a slate roof in working order.
While you might be tempted to reach for a strong chemical or a pressure washer it s better to leave them behind and give your slate roof a little tender loving care.
Identifying removing preventing algae fungus lichens moss on roof shingles.
Fortunately removing algae from slate is fairly straightforward.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Stop roof algae from coming back.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to.
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Step 1 fill a bucket with with warm soapy water.
Debris and moss buildup hold moisture in the slates that can split them during winter freezes.
Use a mild dishwashing soap that does not contain acids such as lemon or lime.