What is algae?
Algae is that often unwanted slimy, green vegetation that you can find growing on a building’s roof and walls.
Due to the fact that algae has no roots, it is able to grow on almost any surface. Oftentimes it occurs in damp conditions, which are particular prevalent in old or uncared for buildings.
Why is it dangerous?
Algae has a particularly noticeable green colour and is very slimy in texture. Despite the fact that it is an eye-sore, it can often be very dangerous if it is left to grow on pavements or walkways
If algae is left to grow on a building’s surface it will expand and contract when it goes from hot to cold during periods where the weather changes. Due to this expanding and contracting, algae that sits on a building’s façade will in time loosen stone and masonry causing structural damage. The algae can also bleach and stain a building, so it is always a good idea to get rid of it as soon as it appears.
How to get rid of algae
Algae can be eliminated using a variety of cleaning solutions, however not all methods will be the best for preserving the building’s form over the long term.
Pressure washing will blast the algae away but can leave permanent abrasion and damage to the building thereafter.
Harsh cleaning agents and chemicals can also be used to melt away the algae as well as other biological growth, but this poses a risk to the natural habitat too.
Why is softwashing so effective?
Despite there being other ways to clean algae, softwashing is the most effective and least damaging way to do so. Our specifically tailored, environmentally friendly cleaning solution is administered through a low-pressure stream that works to melt away the algae and stop it from coming back.
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