How To Remove Lichen From Colour Steel Roof

Lichen is a hardy growth known to firmly.

How to remove lichen from colour steel roof.

All building components may be susceptible to fungal growth if the conditions are right. The granules aren t just there to color the shingles. Water blasting colour coated roofs to remove fungal moss and lichen growths may damage the surface. Lichen is a growth incorporating both fungus and algae.

Photograph of lichen on a colorbond steel roof. Once the lichen has been killed it will breakdown and be washed away by rain. Remove moss and lichen from your roof with vinegar. Leave for 15 20 mins while it is still damp.

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. You also risk the potential of accidentally damaging the protective top layer of your roof shingles while trying to remove it with this method. Photograph of a portion of a colorbond steel roof showing heavy fungal growth. Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.

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. Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide. You will notice a slight colour change in most lichens once bio shield is applied as it penetrates and kills the lichen. Some of the product remains on the surface reactivating for the fi rst few rainfalls.

Can be used on a variety of roof surfaces including clay tile concrete tile decromastic colour steel super 6 slate synthetic tiles polycarbonates. Treats the lichen and moss that can secrete destructive acids causing damage to roof materials. They protect the base materials from sunlight and weathering. I quite like the look of the lichens it reminds me how clean the air is here.

Lichen can be really tricky to remove because it grips strongly onto the surface. 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. Its appearance is quite distinctive. 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.

About five years ago i noticed a few patches of lichens growing on the north side of my roof. Spot spray the lichen within each section. Lichens and moss accelerate shingle deterioration by loosening shingle granules and exposing the asphalt and fiberglass base materials. So if you attempt to remove it with a hand tool you may accidentally remove the protective top layer of your roof shingles as well.