People in the Heritage and Conservation cleaning sector often debate the best super-heated water cleaning system: Thermatech or DOFF. At RAM 80, we frequently answer this question.
Essentially, both systems offer the same functionality in different packages. Both the Thermatech System and the DOFF System are professional cleaning tools, specifically designed for building conservation, restoration, and maintenance. The Thermatech and DOFF systems are particularly effective for cleaning masonry, stone, brick, and other historic or delicate surfaces.
The Thermatech system stands out for its ability to meet or exceed the performance, portability, reliability, and safety requirements of masonry conservation professionals.
Furthermore, during its development, Restorative Techniques discovered that many ‘off-the-shelf’ components failed to meet these high standards. As a result, they collaborated with specialist manufacturers to design and produce custom parts tailored to their needs.
To address this, they worked with specialist manufacturers to design and produce custom parts, all sourced within the European area.
Key Uses of the Thermatech System vs DOFF System
- Removing Dirt and Grime:
- Effectively cleans accumulated dirt, soot, and atmospheric pollution from building exteriors.
- Ideal for areas with high levels of industrial or urban pollution.
- Removing Biological Growth:
- Removes moss, algae, lichen, and other organic growths.
- Prevents regrowth by cleaning deeply into the surface without damaging it.
- Graffiti Removal:
- Strips graffiti from stone, brick, and other substrates without harsh chemicals.
- Works on both water-based and oil-based paints.
- Paint and Coating Removal:
- Removes paints, varnishes, and other coatings from masonry and stone surfaces.
- Restoration projects often use it to strip old layers of limewash or other traditional coatings.
- Carbon Staining and Pollution Removal:
- Effective at removing black carbon staining caused by pollution, especially on heritage buildings.
- Restores the natural appearance of stonework.
- Restoration of Historic Buildings:
- Frequently used on listed and historic buildings where the preservation of the substrate is critical.
- Suitable for delicate materials like sandstone, limestone, and terracotta.
- Cleaning Metalwork:
- Cleans rust or old coatings from metal surfaces, including bronze and iron.
Advantages of the Thermatech System VS DOFF System
- Low Pressure, High Temperature: Operates at low pressure (20–140 bar) to protect delicate surfaces while using superheated water at up to 150°C to effectively break down dirt and coatings.
- Eco-Friendly: Primarily uses water, with minimal or no need for harsh chemicals, making it environmentally sustainable.
- Versatility: Suitable for a wide range of substrates and contaminants, including historic and modern materials.
- Gentle on Surfaces: Ensures the preservation of fragile or historic materials by avoiding abrasive techniques.
- Thermal Cleaning: The high heat can cause coatings and contaminants to lose adhesion, enabling easy removal without harming the substrate.
Ideal Scenarios for Using the Thermatech System vs DOFF System
- Cleaning stone facades on historic buildings.
- Restoring monuments, sculptures, and public art.
- Preparing surfaces for conservation treatments.
- Removing graffiti in urban areas where chemical use is restricted.
- Stripping paint from masonry prior to reapplication of breathable coatings like limewash.
Here at RAM 80 particularly value the Thermatech system for its ability to clean effectively while preserving surface integrity.