When this moisture is exposed to cool temperatures it can then freeze causing the roof shingles to bend warp shift or crack.
Lichen on roof nz.
New zealand steel publishes a formula for batching a 2 sodium hypochlorite solution to be used for this.
How to kill moss mould and lichen on roof.
Allow the lichen to dry for 1 to 2 hours the key to successfully cleaning and removing lichen is to apply the bio shield solution to saturate the lichen through to the base of the growths and ensuring it does not dry out to quickly.
Got moss or mould on your roof moss mould and lichen killer is what you need.
Physical removal is difficult to achieve completely and recolonisation is usually rapid.
You can also use organic super sulphur as a protectant in spring autumn winter and or at first sign of lichens.
Spray on affected surfaces including tree trunks and leave for several weeks for lichen to die.
Lichen and green moss growth on a slate roof.
Remove moss and lichen from your roof with vinegar.
Many people try to remove lichen by brushing and scraping it off with abrasive tools.
Where lichen growth is present it should be removed.
From this the life span of your roof may drastically decrease.
The company rep left a quote with my wife for cleaning the roof.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
I quite like the look of the lichens it reminds me how clean the air is here.
1l moss and mould killer to 10l water.
Chemical treatment is recommended.
Allow the bleach solution to remain on the roof for 10 to 15 minutes.
Mosses and lichens grow in damp conditions.
The build up of lichen on your roof may also affect the gutters ability to manage rainfall.
Scrub the moss and lichen from the roof with a long handled scrub brush.
Leave for 15 20 mins while it is still damp.
Firstly lichen holds moisture against the surface.
Lichen can be a tough growth to remove due to the symbiotic relationship between the fungus and algae.
In your garden sprayer mix 1 part moss and mould killer to 10 parts water eg.
Apply the bio shield to saturate the lichen and stay wet of 10 to 15 minutes.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
How to remove lichen on roofs use either wet forget 5l concentrate or rapid application using the new reach nozzle visually section your roof off into areas.
While this is a popular approach a great deal of time and work must be put in to remove lichen this way.
Spot spray the lichen within each section.
Apparently the lichens on the south side of our coloursteel roof can cause damage and needs removing every few years.
