How to remove rust stains from pebbledash.

The appearance of rust stains on pebbledash or rendered surfaces can be frustrating. You take pride in your property, and unsightly stains not only diminish its curb appeal but can also lead to concerns about long-term maintenance.

If you need advice on how to remove rust stains from pebbledash you have come to the right place.

Firstly, the rust stains are not actually rust stains. Believe it or not, it’s a type of green algae!

If your home or business premises is suffering from green algae on the walls, chances are that it is finished with a coloured render or some form of pebbledash.

These surfaces are porous and highly susceptible to green algae colonising on the surface.

You can also see it on unpainted plastered walls and unpainted roof apexes.

These through-coloured renders and pebble dash-type surfaces are an excellent finish to modern buildings.

Generally, they are fairly low maintenance, and mostly they never need painting.

However, algae can still thrive in certain conditions.

There are several reasons why these algae blooms occur on the render.

Algae like surfaces such as walls that remain damp—this can be north-facing, shaded areas, or “mechanical” problems like leaking gutters.

Those with overhanging trees or in the shadow of a neighbour’s property are also common causes.

We specialise in the treatment of red and green algae on render.

We can also treat the green and black marks on the render that usually accompany it.

So let us get back to how to remove rust stains from pebbledash.

Depending on the severity of the growth, we have several options for cleaning it.

Step 1: Identifying the Algae Type

First, we identify the type of algae.

The red or green algae on render is easily cleaned with a simple application by low-pressure SPRAY of a water-based, biodegradable biocide.

Step 2: Application of Professional Treatment

This spray gets to work, and within hours the algae growth dies.

We then hand the process over to mother nature.

The wind and rain are left to gently wash away the dead algae debris.

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Chris Spruce Cleaning Service ltd
SD Office, 491 Wight Moss Way, Southport PR84 ZZ
Phone: 0800 0933 267
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On most domestic properties, we can carry out the work from the safety of the ground, eliminating the cost of expensive scaffolding, thus keeping the service affordable to homeowners.

Once we have done the initial deep clean, we then offer a yearly maintenance service, where the building is resprayed to keep it looking good.

For commercial clients, we offer the same great value service. Due to confined/restricted areas, we are also trained in the use of rope access and cherry picker hire.

We also work evenings and weekends so as not to disrupt the day-to-day running of your business.

If you have Red algae on render or you need to know “How to remove rust stains from pebbledash” call us today for free advice on 08000933267 or contact us here

More information regarding Red algae on render can be found here

Chris Scott - Owner Cleaning Service Ltd

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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.