Cornwall’s Render Cleaning Experts
Removing the green, black and red stains from algae and other organic matter with our soft-wash and steam cleaning solutions that bring your building back to its original bright, clean condition.
As well as render wall cleaning for K Rend, Parex and Weber through-colour renders, we also offer other external cleaning services such as pressure washing, roof cleaning and moss removal, gutter cleaning and exterior painting in Penzance, St Ives, Falmouth, Camborne, Redruth, Truro, Newquay, St Austell and Padstow.
For a free, no-obligation quotation call us on 01326 459 025
Render / Wall clean soft-wash
Has your render been discoloured by green, red or black algae?
We have an algae removal and wall cleaning solution that is quick, delicate and discourages future growth.
A fraction of the cost of standard painting (which the manufacturer advises against) and far safer than pressure-washing, which can cause damage and water ingress, our soft-wash render cleaning solution kills the algae infestation by sterilising the surface, ensuring long-lasting results.
We cover the whole of Cornwall and offer K Rend cleaning as well as Weber, Wetherby, Monocouche, Parex, silicone render, through-coloured render and wall cleaning services for houses, apartments and commercial buildings.
We guarantee complete satisfaction – for a free, no-obligation quotation call us today on 01326 459 025
Really clean – not nearly clean!
Our wall render cleaning and sealing process
Can through-colour render be pressure washed or painted?
Manufacturers state that through-colour render can be pressure washed using no more than 100 bar of pressure at a distance of 300mm… that said, this method will not be effective enough to remove algae stains and the temptation will be to move in closer, applying more pressure.
Aggressive cleaning will cut away the top layer of the render, often leading to ‘blown’, cracking patches of render and the loss of the lighter aggregates that contain the render’s colouring pigments.
Your home was constructed in a way that allows it to breathe and your render plays a vital role in this process.
Although there are water-based acrylic paints on the market advertised as suitable for through-colour-render, the issues they may induce in the long term far outweigh the benefit of what may seem like a ‘quick fix’. A fix that is often four to six times more expensive than a Soft-wash render clean.
Issue one: Elimination of the renders breathing action, causing moisture to be trapped inside your building.
Issue two: Flaking / blistering of paint. The material’s porosity and capillary action will draw moisture behind the paint, causing it to blister.
Issue three: Freeze – thaw reaction. If water becomes trapped behind the paint and temperatures drop below freezing, the expansion of water turning to ice can blow holes in the render.
Issue four: Disintegration of render. Trapped water keeps the render wet for long periods of time, leading to the material disintegrating.
At South West Render Clean we do however offer a render sealing and recolouring service for through colour render and all aspects of exterior painting for traditional cement render, as this has low moisture permeability and is less affected by the above.
Covering the whole of Cornwall, we offer render cleaning solutions to both domestic and commercial clients, request your free quotation today..
Based in Falmouth, we offer render cleaning in St Ives, Penzance, Truro, Camborne, Redruth, Newquay, St Austell and Padstow. South West Render Clean offer wall cleaning, render, K Rend, Weber and Silicone Render cleaning, soft-wash and render sealing services to remove algae from walls for homes, houses, flats, apartments, domestic, commercial and industrial properties in throughout Cornwall and will travel further by request..