What’s that growing on your render ?
The green and black staining on your render if you look closely is actually mould.
The British climate with warm and damp conditions creates ideal breading grounds for mould especially on textured renders.
There is an effective way of removing mould from render and while cleaning and treating the render, when the correct methods are used this will prolong the period where no mould is growing on the render.
What’s the best way to remove mould from render?
Pressure washing render can not only lead to damage but it will not eliminate all the spores from the mould rather just spreading the spores and leading to more regrowth in the near future.
What’s the green and black staining on your render?
According to the national library of medicine who conducted a study to determine the types of moulds on damp buildings ‘The results confirmed that Penicillium chrysogenum and Aspergillus versicolor are the most common fungal species in water-damaged buildings. The results also showed Chaetomium spp., Acremonium spp., and Ulocladium spp. to be very common on damp building materials’
How Dangerous is Mould Growth on Buildings?
The negative health effects of damp building materials and fungal growth in homes, institutions, and workplaces have been reported in many publications, including the WHO guidelines Dampness and Mould (52), which concluded that there is sufficient epidemiological evidence to show that occupants of damp or mouldy buildings are at increased risk of respiratory problems, respiratory infections, and the exacerbation of asthma
Pressure washing render can not only lead to damage but it will not eliminate all the spores from the mould rather just spreading the spores and leading to more regrowth in the near future.
Pressure washing render can not only lead to damage but it will not eliminate all the spores from the mould rather just spreading the spores and leading to more regrowth in the near future.
How to Remove Mould from Render?
The best way of removing mould from render is the combination of steam cleaning and soft washing.
It is well known that black mould and other moulds inside properties caused by damp and ventilation issues.
Devastatingly this has been recently highlighted by the tragic death of Awaab Ishak died in 2020, eight days after his second birthday, as a direct result of black mould in the flat he lived in.
‘About 450,000 homes in England have problems with condensation and mould’
That’s not counting the homes with mould on the outside!
LBC’s motto for several years now has been ‘ creating cleaner, healthier places for people to live.
Now more than ever, cleaning render and moulds and algae from the outside of buildings should be high on home owners and property managers agendas as well as housing associations that are responsible for providing good housing for large parts of the community.
Not only do cleaner buildings rent and sell faster and look more attractive but cleaner spaces also help to improve the habitants health.
Two black moulds commonly found in homes are Cladosporium and Alternaria fungi. Another black mould is Stachybotrys chartarum, which can release specific toxins that are harmful to humans.
How to kill mould?
Mould on exterior surfaces can be killed by industrial grade biocides or strong bleach known as sodium hypochlorite.
In the case of cleaning mouldy roofs , walls or patios this is done by steam cleaning and/ or soft washing
Softwashing helps to sanitise the area.
