What are cleanrooms?
Cleanrooms, also known as clean rooms, are controlled environments used to manufacture products that require a high degree of purity, such as electronic devices, pharmaceutical products and food. Temperature, humidity and air pressure are controlled in these rooms, and particles and microorganisms that could contaminate the products are removed. Cleanrooms are classified according to the number of particles permitted per cubic metre of air. The lower the number of particles, the higher the room's classification.
Why are clean rooms important?
Cleanrooms are important because they ensure the quality and purity of the products manufactured in them. For example, manufacturing an electronic device in a clean room reduces the likelihood of particles contaminating its components and affecting its performance. Similarly, manufacturing a pharmaceutical product in a cleanroom reduces the likelihood of bacteria and viruses contaminating the product and affecting its efficacy. In addition, clean rooms are essential for compliance with the regulations and quality standards required by regulatory bodies.
How do cleanrooms work?
Clean rooms work by removing particles and microorganisms present in the air. To achieve this, filtration systems are used to remove particles of different sizes. The most common filters are HEPA (High Efficiency Particulate Air) filters, which remove 99.97% of particles larger than 0.3 micrometres. In addition to filters, other equipment is used to control temperature, humidity and air pressure, as well as airflow within the room.
Is there any difference between a cleanroom and a clean room?
No, in practice both terms are used interchangeably.
What type of flooring is most recommended for a cleanroom?
The aim in a clean room is to maintain a controlled environment free from particles and contaminants. For this reason, the type of flooring used in cleanrooms is a critical factor in maintaining a clean and controlled environment.
The recommended type of flooring for a clean room will depend on the level of cleanliness required and the type of activity to be carried out in the room. Below are some common flooring options for cleanrooms:
- Epoxy flooring: This type of flooring is common in clean rooms with a low classification level, as it is easy to clean and resistant to chemicals.
- Conductive vinyl flooring: This flooring is used in cleanrooms where electronic components sensitive to static electricity are handled. Conductive vinyl flooring prevents the build-up of static electricity and protects electronic components.
- Vinyl tile flooring: This type of flooring is easy to clean and is used in mid-level clean rooms.
- Stone flooring: Stone or marble tiles are strong and durable, making them ideal for high-level cleanrooms. However, they are more expensive and require regular maintenance to prevent the accumulation of particles.
The recommended type of flooring for a clean room will depend on the classification level required, the activity to be carried out in the room and other factors specific to the environment in which the room is located. It is important to select flooring that is easy to clean, resistant to chemicals and minimises the accumulation of particles and contaminants.
Conclusions
Cleanrooms are essential for ensuring the quality and purity of the products manufactured in them. Rigorous control of particles and microorganisms minimises the risk of contamination and ensures that products are safe and effective. In short, clean rooms are an example of how technology can help us produce high-quality products and improve our quality of life.

