BioStone20 SNS®
Bioactive ceramic for architectural applications
Self-cleaning. Antibacterial. Anti-pollution.
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Architecture that cares for its surroundings
BioStone20 SNS® turns ceramic cladding into an active surface. Sunlight triggers a reaction that helps break down dirt, bacteria and certain pollutants in the air.
Rainwater then helps wash them away. That means fewer cleaning interventions, less maintenance and architecture that keeps its appearance better over time.
Self-cleaning action
Reduces the adhesion of organic dirt and makes it easier for water to wash it away.
Fewer odours
Breaking down bacteria and organic residue helps reduce unpleasant odours.
Pollutant reduction
Acts on certain air pollutants and turns them into harmless substances.
Antibacterial properties
The photocatalytic reaction helps break down germs and bacteria that come into contact with the surface.
Lasting performance
The technology is permanently built into the ceramic surface and remains effective despite wear.

What is a bioactive ceramic?
When light activates the material
BioStone20 SNS® incorporates Hydrotect photocatalytic technology. Its formula is based on titanium dioxide —TiO₂—, a compound that is activated by UVA rays and generates active oxygen on the surface.
This process means the material takes part in looking after the space instead of remaining passive.
The self-cleaning process
1. The sun activates the surface
When sunlight falls on the material, the photocatalytic reaction begins.
2. Dirt loses its grip
Active oxygen breaks down organic deposits, bacteria and certain pollutants into substances that are easier to remove.
3. Rain completes the process
The superhydrophilic surface makes water spread out into a thin film that washes away the broken-down dirt.

Benefits of BioStone20 SNS®
Quality spaces and people's wellbeing
BioStone20 SNS® helps preserve the quality of the space while reducing the tasks and resources needed to maintain it.
Environment
- Uses sunlight to activate the photocatalytic reaction
- Uses rainwater to make cleaning easier
- Acts on certain air pollutants
- Reduces cleaning interventions and resource use
- Its action lasts throughout the service life of the material
Efficiency
- Reduces the adhesion of oily stains, dust, soot and exhaust fumes
- Makes it easier to clean sand, mud and organic dirt
- Reduces maintenance needs
- Helps the surface keep its appearance for longer
- Allows customised solutions in different formats, finishes and colours
People
- Helps break down germs and bacteria
- Helps reduce unpleasant odours
- Promotes cleaner outdoor surfaces
- Uses technology that is non-toxic to people, animals and the environment
- Improves air quality
All the information on BioStone20 SNS®, in this dossier
Technology, operation, performance, applications, formats and finishes to learn about Access Safety's bioactive ceramic in detail.

Technical solutions that respect the architecture
BioStone20 SNS® is ideal for projects that must keep their aesthetic quality, reduce maintenance and care for their surroundings.
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