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Stonehealth Ltd

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Dursley
Stonehealth Ltd

The manufacturer of the specialist cleaning systems the TORC and DOFF and the supplier of a range of effective stone cleaning products and poultices.

Masonry Cleaning Machinery and Paint Removal Products CPD and Consultancy

07/09/2026

The granulate does not hit the stone head on. It spirals.
That is the difference between TORC and blasting.
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TORC combines low air pressure, water and a safe, inert fine granulate into a gentle swirling vortex. The modulated nozzle is what creates it. Cleaning can be done at pressure blasts as low as 1 to 2 bar, with a maximum of 8 bar, and the unit dispenses no more than 1.5 litres of water a minute.
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The second thing people overlook is the granulate. You choose it to suit the surface, not to hit harder.
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Calcite, Mohs 3.0 to 3.5. A multi-purpose medium that removes carbon from almost all types of masonry, and ideal for polished surfaces.
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Dolomite, Mohs 3.5 to 4.0. Angular particles for carbon, paint and plaster removal, with extra care needed on polished surfaces such as marble.
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Unil, Mohs 6.5. Used for heavy or high-density carbon, with the finer 80 and 180 grades reserved for sensitive conservation cleaning.
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All three are inert, contain less than 1% quartz and no other form of free crystalline silica, and are free from all known carcinogens.
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So the operator controls the pressure, the medium and the nozzle. Carbon sulphation and brittle paint come away. The weathered surface stays where it is. No chemicals involved.
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Learn more: https://contractors.stonehealth.com/torc/

04/09/2026

Tired stone wall brought back to life.
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Another tired-looking stone wall given a serious transformation by G&E Exterior Cleaning using the DOFF steam cleaning system.
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The DOFF's high-temperature steam helps remove years of dirt, algae, moss, staining and biological growth, while being gentle enough for sensitive stone and traditional surfaces.
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With the DOFF system, you can easily and effectively:
Remove paint
Remove graffiti
Remove moss
Remove algae
Remove fungi and much more, often without the need for harsh chemicals.
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Stonehealth offers free demonstrations of the DOFFIII, DOFF Integra, DOFF Skid Mount, and TORC cleaning systems, available online via video conference and in person across the UK.
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Learn more:
DOFFIII: https://buff.ly/9XHuNpL
DOFF Integra: https://buff.ly/fhMG0iX
DOFF Skid Mount: https://buff.ly/uRFjSUI
TORC: https://buff.ly/sL9qwXc
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02/09/2026

Algae and mould gone. Stone untouched.
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That is DOFF cleaning by Bright Brix Limited in Leicester, carried out on behalf of PureClean Solutions Domestic.
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The DOFF system removes biological growth with gentle steam rather than force, so the algae and mould lift away while the stone underneath stays protected. No harsh chemicals, no damage to the surface.
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With the DOFF system, you can easily and effectively:
Remove paint
Remove graffiti
Remove moss
Remove algae
Remove fungi and much more, often without the need for harsh chemicals.
-
Stonehealth offers free demonstrations of the DOFFIII, DOFF Integra, DOFF Skid Mount, and TORC cleaning systems, available online via video conference and in person across the UK.
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Learn more:
DOFFIII: https://buff.ly/9XHuNpL
DOFF Integra: https://buff.ly/fhMG0iX
DOFF Skid Mount: https://buff.ly/uRFjSUI
TORC: https://buff.ly/sL9qwXc
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31/08/2026

How much water does steam cleaning actually use?
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Less than most people assume. The DOFFIII uses an average of 5 litres of water per minute.
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That figure matters on older masonry. The concern with pressure washing is not only the force, it is the volume of water being driven into the wall. Saturated brick and stone take a long time to dry out, and trapped moisture causes problems of its own.
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The DOFFIII works with superheated water and steam rather than sheer force, so it needs very little water to lift dirt, moss, algae and paint. Lower consumption means faster drying times, less saturation and more protection for delicate stonework.
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It is easier on site too. Less run off to manage, and a surface you can inspect properly before deciding what comes next.
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Learn more about the DOFFIII: https://stonehealth.com/

28/08/2026

Fantastic results from Stone Revival using DOFF steam cleaning system in Yorkshire.
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Stone Revival shared a video of the DOFF system in action, lifting dirt and grime from the brickwork to reveal a clean, fresh surface underneath. The DOFF system cleans with superheated steam, so the results come without harsh chemicals and without damage to the masonry beneath.
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Great to see the difference on camera.
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With the DOFF system, you can easily and effectively:
Remove paint
Remove graffiti
Remove moss
Remove algae
Remove fungi and much more, often without the need for harsh chemicals.
-
Stonehealth offers free demonstrations of the DOFFIII, DOFF Integra, DOFF Skid Mount, and TORC cleaning systems, available online via video conference and in person across the UK.

Learn more:
DOFFIII: https://buff.ly/9XHuNpL
DOFF Integra: https://buff.ly/fhMG0iX
DOFF Skid Mount: https://buff.ly/uRFjSUI
TORC: https://buff.ly/sL9qwXc
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26/08/2026

Great to see the DOFF system at work across the Atlantic, in the hands of B&B Gravestone Cleaning Service at City Hall in Prince Albert, Canada.
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When a 1998 mural on the building could no longer be restored, it needed removing without harming the historic Tyndall stone façade beneath. B&B Gravestone Cleaning Service carried out the work using a DOFF steam cleaning system, chosen specifically because it is a low-pressure, superheated water process.
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The heat lifts the failed paint while the low pressure protects the stone underneath, which is exactly what a heritage façade needs. Careful work by B&B, and a good example of the thought that goes into removing a coating as much as applying one.
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With the DOFF system, you can easily and effectively:
✅ Remove paint
✅ Remove graffiti
✅ Remove moss
✅ Remove algae
✅ Remove fungi and much more, often without the need for harsh chemicals.
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Stonehealth offers free demonstrations of the DOFF Integra and TORC cleaning systems, available online via video conference and in person across Canada.
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Learn more:
DOFF: https://stonehealth.ca/products/doff/
TORC: https://stonehealth.ca/products/torc/

24/08/2026

There is a difference between cleaning a building and stripping it.
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It is a point that often gets missed. Aggressive methods like sand and grit blasting can take the dirt off, but they take the surface with it, wearing away the patina that gives an old building its character. That change is irreversible.
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Gentle cleaning works differently. Systems like our DOFF and TORC lift carbon, dirt and staining while leaving the patina intact, so the building looks cared for rather than stripped back. Replacing invasive methods like grit blasting and hazardous chemicals is the very reason Stonehealth started.
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The goal was never to make old stone look new. It is to remove what is damaging the surface, and keep everything that makes it what it is.
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Learn more: https://stonehealth.com/specifiers-and-architects/
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21/08/2026

DOFF system X Rope Access Cleaning & Maintenance Ltd in London.
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This clean was carried out from ground level using a telescopic lance, giving the team the reach to tackle high and awkward areas safely, without needing to work at height for every section.
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With the DOFF system, you can easily and effectively:
✅ Remove paint
✅ Remove graffiti
✅ Remove moss
✅ Remove algae
✅ Remove fungi and much more, often without the need for harsh chemicals.
-
Stonehealth offers free demonstrations of the DOFFIII, DOFF Integra, DOFF Skid Mount, and TORC cleaning systems, available online via video conference and in person across the UK.
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Learn more:
🔗 DOFFIII: https://buff.ly/9XHuNpL
🔗 DOFF Integra: https://buff.ly/fhMG0iX
🔗 DOFF Skid Mount: https://buff.ly/uRFjSUI
🔗 TORC: https://buff.ly/sL9qwXc
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19/08/2026

Good to see our DOFF system on site with &H Restoration in London.
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The brief was simple: bring these steps back to life. D&H completed the external clean using the DOFF system, lifting away the dirt and grime to restore the stonework to a fresh, clean finish. Superheated steam, no harsh chemicals, and no damage to the surface underneath.
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With the DOFF system, you can easily and effectively:
✅ Remove paint
✅ Remove graffiti
✅ Remove moss
✅ Remove algae
✅ Remove fungi and much more, often without the need for harsh chemicals.
-
Stonehealth offers free demonstrations of the DOFFIII, DOFF Integra, DOFF Skid Mount, and TORC cleaning systems, available online via video conference and in person across the UK.
-
Learn more:
🔗 DOFFIII: https://buff.ly/9XHuNpL
🔗 DOFF Integra: https://buff.ly/fhMG0iX
🔗 DOFF Skid Mount: https://buff.ly/uRFjSUI
🔗 TORC: https://buff.ly/sL9qwXc
ー

17/08/2026

Monday myth-buster: DOFF is not a high-pressure clean.
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It is one of the most common things people get wrong. They hear "steam cleaning" and picture a powerful jet blasting away at the stone. In reality, the DOFF system works at low pressure.
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The cleaning power comes from heat, not force. Its superheated water reaches up to 150°C at the nozzle, softening and lifting paint, grime and biological growth without driving water into the surface. That is exactly why it is safe on historic and delicate masonry, where high-pressure jet washing would cause real damage.
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Low pressure, high heat. That combination is the whole point.
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Learn more: https://contractors.stonehealth.com/doffiii/
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Address

Unit G4-5, Draycott Business Park
Dursley
GL115DQ

Opening Hours

Monday	8:30am - 5pm
Tuesday	8:30am - 5pm
Wednesday	8:30am - 5pm
Thursday	8:30am - 5pm
Friday	8:30am - 5pm

Telephone

01453540600

Website

http://www.stonehealth.com/

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