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Conventional cleaning methods can damage or degrade stone, accelerating erosion and decay.
Regular scheduled stone cleaning, using specific procedures and inspections, are recommended to keep high value or conservation stonework in prime condition.
Before cleaning stone it is first vital to identify the type of stone it is. Natural stone is classified into two categories: siliceous stone or calcareous stone. Knowing the difference between these two is critical when defining the right cleaning process or selecting the appropriate blend of detergent.
Siliceous stone is made of quartz style particles, it is hard and long-lasting, and only mild acidic cleaning products are recommended. Types of siliceous stone include granite, quartzite, slate, and sandstone.
Calcareous stone is made of calcium carbonate particles, and includes Marble, limestone, and onyx. However, acidic cleaning agents are not recommended at all for Calcareous stone. There are various scientific tests that can be performed though, should the stone classification be unclear.
Before proceeding to clean the stone, it is also important to establish to the condition of the stone. Where tiling is present, any cracks and evenness should be considered. Any type of finish, coating, enhancer, or sealant used on the stone should also be identified. The nature of any staining and the type of infection present should be analysed. It may be necessary to undertake preparatory work before cleaning the stone. Uneven tiles or cracked tiles may need to be repaired or replaced and the floor or wall resurfaced. Any sensitive garden, border, furniture, decoration, or trim should be appropriately protected beforehand as well.
Only once these steps have been taken can the stonework be treated with by softwashing. Depending on the job at hand we will the Doff or Vortex cleaning systems. Our low pressure systems work to cleanse the stone using detergent blends designed to kill off any organic infectants. High pressure washing is not recommended for any form of masonry cleaning due to the damage it can cause. Selecting companies that offer stone cleaning services can be difficult. Look for specialists who can provide expertise. Softwash treatments, deployed with the right level of care and attention to detail, will keep stonework maintained with its cosmetics at their best.
Natural stone is a beautiful, durable material used on homes, walls, and buildings across the UK. However, stone surfaces are prone to staining, discolouration, and organic growth like algae, moss, and lichen — all of which can dull their appearance and cause long-term damage. That’s where Softwashing UK comes in.
We offer professional stone cleaning using advanced soft washing technology — a safer, longer-lasting alternative to abrasive or high-pressure methods.
Unlike high-pressure washing, which can erode stone surfaces or damage pointing, our low-pressure soft wash system uses biodegradable cleaning solutions that soak deep into the stone’s porous surface. This method kills algae, moss, and lichen at the root, delivering a thorough clean without harm.
Our softwashing process doesn’t just clean stone — it provides long-term protection. By eliminating spores and bacteria, we help prevent regrowth, meaning your stonework stays cleaner for longer and reduces the need for repeated treatments.
We don’t just wash — we treat. Our biocidal softwash solution kills moss, algae, and lichen at the source, breaking down biological matter and helping prevent it from returning.
Natural stone can be fragile or sensitive to harsh methods. Our soft wash approach is gentle enough for listed buildings and delicate masonry, yet strong enough to remove years of staining, pollution, and organic build-up.
Choosing Softwashing UK means choosing trained, certified, and fully insured professionals. Our team understands the unique needs of stone cleaning and follows best practices for chemical safety, heritage preservation, and property protection.
All of our cleaning products are pH neutral, biodegradable, and environmentally safe. They’re safe to use around plants, pets, and children — so your property remains as healthy as it looks.
We take pride in clear communication, punctuality, and delivering outstanding results. From your initial enquiry to the final rinse, we aim to exceed your expectations with every job.
Cleaning your stone surfaces not only improves appearance but helps protect the material from biological damage. Our treatments help preserve stonework by reducing moisture retention and extending its natural lifespan — all while enhancing your home’s curb appeal.
At Softwashing UK, we provide comprehensive residential exterior cleaning services, from expert render cleaning to roof, driveway, patio, and brick cleaning.
Using eco-friendly soft wash methods, we safely remove dirt, algae, and moss, restoring surfaces without damage. Trusted nationwide, we deliver outstanding results that protect your home’s exterior.
At Softwashing UK, we offer professional commercial exterior cleaning services tailored to businesses of all sizes.
From render and roof cleaning to cladding, signage, and pathways, we use safe, low-pressure soft wash systems to maintain your property’s appearance. Our reliable service ensures a clean, welcoming environment for staff and visitors.
