Mosses and lichens grow in damp conditions.
Yellow lichen on roof.
More than likely it is spreading from your attic into your roof.
Identifying removing preventing algae fungus lichens moss on roof shingles.
Lichens come in multiple shapes sizes and forms including shrubby leaf like or crusty.
Hopefully the shingles will last another 15 years but the lichens and moss may have shortened the shingle life by 5 years or more.
Lichen can be seen in a variety of colors including blue green gray brown and yellow.
Roofers have the equipment and experience required to do the job safely.
They can be seen in a wide array of colors including.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
It may appear as an orange crust on a rock wall or as mint green patches on a roof.
They can be flat leafy or ridged.
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.
Moisture increases the chance of mold growth which can damage the roof tiles.
I ve used the same products on the roof of my in laws house in florida and my mother s patio pavers also in florida to clean algae stains and three years later the roof and pavers are still stain free.
Lichen on terracotta roof tiles is particularly unappealing to the eye and is best handled before it has a chance to cake in and ruin the tiles.
Lichen can appear in a variety of shapes and sizes.
Should i remove it.
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.
Lichen and moss are very different but may occur next to each other on the same roof.
Asphalt roof shingle defects.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
While lichens don t damage the structure of roof tiles they can stain the surface of the roof as well as trap moisture.
Foliose lichens have two distinct top and bottom sides.
Lichen is a composite organism where a fungus and either an algae or bacteria form a very close friendship and live off each other.
Step 4 enlist the services of a professional roofing contractor to remove excessive lichen build up on the roof.
Lichen can survive the very harshest of climatic conditions and is rarely killed by long drought conditions.
Several natural remedies can kill the lichens and restore the look of your roof tiles.
Purchase lichen and roof stain removal chemical products at building supply and home and garden stores.
Blue green yellow orange red brown black gray and white.
