Algae on k rend render?

K-Rend Renders provide a low-maintenance solution to external walls on all commercial and residential properties. Their durability and aesthetic appeal make them a popular choice among property owners, ensuring that buildings retain their fresh and modern look for years.

Algae on K rend render…green or red algae what does it mean?

Although generally K-Rend renders are very low maintenance and accepted as the best render on the market, to keep the K-Rend looking as fresh as the day it was applied, it makes sense to periodically clean it. As with all things, it can get dirty over time.
k render professionally cleaned by render cleaning in Manchester

Understanding Algae on K-Rend Render

Algae growth on K-Rend render is a common issue, particularly on north-facing walls and areas exposed to moisture. Once a year, a quick spray fungicidal wash will prevent algae on K-Rend render from growing on the north-facing prevailing walls.

These can be prone to algae by remaining wet over long periods. Areas in shade, such as in the shadow of trees, can also go green. This is not a problem with the K-Rend but more of an environmental issue.

Black Staining on K-Rend

Generally speaking, green or red algae on K-Rend render will not cause any problems…although it looks unsightly! Black staining on K-rend is the one that does the damage.

These Fungi species thought to be common contaminants on substrates such as roofs, pavements and walls are the pigment producing Aureobasidiumsp sp., and Cladosporium sp. and Alternaria sp.

These fungi will rapidly spread and colonise the k-rend render causing disfigurement and decay as they release of pigments and acids respectively.

These fungi are usually apparent under sills, at the apex of the roof, and in other areas where microenvironments promote their growth.

Again, these are not a problem with the K-Rend render itself but more of a design fault in the building that leads to “micro” environments where these fungi thrive.

Importance of Professional K-Rend Render Cleaning

Cleaning Service UK provides homeowners and commercial building owners with a cost-effective way to clean and preserve their K-Rend rendered buildings.

Professional cleaning ensures that your property remains free from algae and fungal growth while maintaining its original finish.

Our K-Rend render cleaning service ensures that your property maintains its original vibrancy while eliminating the growth of algae, fungi, and other contaminants.

Our specialised techniques ensure that contaminants are effectively removed without causing damage to the surface.

Contact Us for Expert K-Rend Cleaning

If your building is in need cleaning call us today on 08000933267…all advice is given free with no obligation.

Please see our dedicated k-rend Render cleaning site click here

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Chris Spruce Cleaning Service ltd
SD Office, 491 Wight Moss Way, Southport PR84 ZZ
Phone: 0800 0933 267
Email: info@cleaning-service.uk.com
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Algae on K Rend Render FAQ’s

Here are some of the most commonly asked questions about our render cleaning services:-

No, when done professionally. Our soft-wash method ensures minimal runoff, and we take precautions to protect surrounding surfaces like windows, plants, and pathways.

Yes, high-pressure washing can erode the surface of K-Rend render, leading to structural weakening, rough textures, and potential water ingress. A soft-wash system with controlled pressure and the right chemical solution is recommended to clean without damaging the render.

Not always. Depending on the height and access to your building, professional cleaners often use extendable poles, low-pressure washing systems, or cherry pickers instead of scaffolding.

While K-Rend is designed to be durable and resistant to weathering, no exterior surface is entirely maintenance-free. Environmental factors such as moisture, air pollution, and organic growth can still affect its appearance. Regular cleaning prevents long-term damage and ensures your property maintains its professional look.

Chris Scott - Owner Cleaning Service Ltd

Connect with Chris Spruce

Meet the Founder: Committed to delivering exceptional results for every property in North-West!

– 20+ years of experience in exterior cleaning.

– Personally involved in every cleaning project to ensure 100% satisfaction.