How To Remove Lichen From Colour Steel Roof

The pressure required to fully remove lichen will remove the protection provided by the oxidised surface layer reducing the thickness of the coating and exposing the un oxidised paint film to sunlight and weathering.

How to remove lichen from colour steel roof. Some of the product remains on the surface reactivating for the fi rst few rainfalls. Spot spray the lichen within each section. The main reason other outdoor cleaners fail to kill lichen is the application has not saturated the growth and it is drying out to quickly. About five years ago i noticed a few patches of lichens growing on the north side of my roof.

Lichen can be really tricky to remove because it grips strongly onto the surface. Treats the lichen and moss that can secrete destructive acids causing damage to roof materials. Water blasting colour coated roofs to remove fungal moss and lichen growths may damage the surface. Once the lichen has been killed it will breakdown and be washed away by rain.

Photograph of lichen on a colorbond steel roof. Lichen is a growth incorporating both fungus and algae. They protect the base materials from sunlight and weathering. Lichen is a hardy growth known to firmly.

Leave for 15 20 mins while it is still damp. I quite like the look of the lichens it reminds me how clean the air is here. Lichens and moss accelerate shingle deterioration by loosening shingle granules and exposing the asphalt and fiberglass base materials. You will notice a slight colour change in most lichens once bio shield is applied as it penetrates and kills the lichen.

Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together. Its appearance is quite distinctive. The company rep left a quote with my wife for cleaning the roof. 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.

Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide. Apparently the lichens on the south side of our coloursteel roof can cause damage and needs removing every few years. When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow. You also risk the potential of accidentally damaging the protective top layer of your roof shingles while trying to remove it with this method.

Remove moss and lichen from your roof with vinegar. Removing lichen fully using this method is nearly impossible not to mention time consuming especially if you are dealing with a large surface like a roof. Can be used on a variety of roof surfaces including clay tile concrete tile decromastic colour steel super 6 slate synthetic tiles polycarbonates. The granules aren t just there to color the shingles.