Mould when mould is growing on top of your roof it is often indicative of problems that started within the home.
Yellow lichen on roof tiles.
Lichens are a fungus that typically grows with algae.
When this surface moisture freezes in cold temperatures it can lead to frost damage to roof shingles and other exterior surfaces.
Lichens come in multiple shapes sizes and forms including shrubby leaf like or crusty.
It holds moisture and can cause roofs to bend and bow inward and eventually collapse if left untreated.
It may appear as an orange crust on a rock wall or as mint green patches on a roof.
Several natural remedies can kill the lichens and restore the look of your roof tiles.
Asphalt roof shingle defects.
Moisture increases the chance of mold growth which can damage the roof tiles.
There are approximately 15 000 species of lichen but the one that is most common on roofs is ascomycetes foliose.
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.
While lichens don t damage the structure of roof tiles they can stain the surface of the roof as well as trap moisture.
Lichen holds moisture in place against surfaces which speeds up normal wear and tear.
Lichen can be very tough to remove and pressure washing alone is rarely effective.
Allow the bleach solution to remain on the roof for 10 to 15 minutes.
Lichen are white brown yellow and black i e.
Do not let the bleach solution remain on the roof any.
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.
Scrub the moss and lichen from the roof with a long handled scrub brush.
Black spot growths that grow on slate and concrete tiled roofs as well as on concrete paths monoblock drives brickwork and occasionally on wall render.
Whilst appearing more like a cosmetic problem the roof lichen can cause serious harm to your roof.
Identifying removing preventing algae fungus lichens moss on roof shingles.
Roofs are especially susceptible to the growth and can be significantly damaged by lichen.
This form of lichen starts as a small yellow or orange dot and gradually grows out from the centre getting bigger and bigger leaving the centre to go white grey which is dead.
