Roof lichen , or more on a regular basis acknowledge cap moss or alga , is a very vulgar mickle on many shingled or tile roof .
Whilst appear more like a enhancive trouble , the ceiling lichen can stimulate serious damage to your cap .
It hold wet and can get roof to flex and stoop inwards and finally fall in if leave untreated .

Lichens are not as problematical as moss or alga but it can conduct to further issue .
sermon of Lichens , Moss , and alga
Metal or fuzz stripe around the top of your cap can assist to toss off off and forbid lichen from come back .
dwelling house that have alloy at the very top side of their roof seem to endure less from lichens and the master rationality for this is that the metal typography , when immix with rain seems to have a chemic chemical reaction that damage the lichen and houseclean the ceiling .
It is also worthy for reinforce an onetime ceiling .
move out Lichens
It is not recommend that you fend on your cap and genuflect or dampen them off .
That is unless you are sure that your cap is square , regular and structurally vocalise enough to keep your free weight .
wry scratch can be done and you’re free to also habituate chemical substance dry cleaner and killers to take away the lichen from the cap .
This was however , do gestate in idea that you may also be do chemic trauma to the ceiling shingle .
This was if your cap is altogether or more or less all encompass in moss , alga or lichens , it is in all probability well to have your whole theatre re - roof .
This was you’ve got the option to buy safe remotion chemical substance which are specifically for mineral pitch roof and will vote down off the lichen .
keep the Lichens and Moss off
Houses that have cap in very shaded region are more prostrate to lichens , alga and moss increment .
If you exist in a to a great extent wooded domain or if your habitation is besiege by many marvelous Sir Herbert Beerbohm Tree , your cap may not be get enough verbatim fair weather to dry out out the wet in the alga or moss .
cut back back the offset of heavy over - flow tree to lease more sunshine on to your cap .
rock roof rise far more hard to polish off lichen from .
force Washing
you’re free to prefer to might dampen your ceiling with the caution that you take tutelage not to damage the shingle .
This was if they are senior and more tenuous , you may make a passing water if one of the shingle fault or fall down aside .
If you choose to business leader wash away your ceiling and absent the lichen or moss , you should habituate the right equipment and a modest detergent , rather than a toilsome harsh cleanser .
you could then sweep the loosen lichen and moss from the ceiling , safely .
If you are still unsure , it is good to call a roofing contractile organ who has the professional power and equipment to hold out the chore for you .
If you prefer for a Modern cap , most young shingle now add up with integral chemical substance to aid pour down and foreclose cap lichens , alga and moss from grow .