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  • Writer's pictureCleanroomsUSA

Requirements for a Cleanroom

Cleanrooms are essential in specialized industries such as pharmaceuticals, biotech, semiconductors, laboratories, microchip production, and photovoltaics. Any manufacturing process that demands strictly controlled production and product handling employs cleanrooms. The level of cleanliness required is determined by the nature and delicacy of the product.


Cleanroom requirements start with staff protection, including the use of protective clothing and accessories to prevent contamination. These items, made from synthetic, wear-resistant materials, are single-use only. Everything entering the cleanroom must be specially classified and approved, even down to the smallest detail.





Cleanrooms are devoid of furniture, with surfaces designed to avoid bolts, nuts, visible joints, or any features that might collect dust. Equipment and surfaces are smooth and highly polished, typically made of plastic or high-grade stainless steel. The overall design and construction of cleanrooms are minimalistic and straightforward.


Lighting in cleanrooms must provide adequate illumination for smooth operations while adhering to strict hygienic standards. It is crucial that lighting fixtures require minimal cleaning and have a long lifespan, as cleaning the interior of a cleanroom necessitates recertification.


The most critical feature of cleanrooms is their air circulation system. Airflow is meticulously controlled, with some designs featuring air entry from the ceiling and exit through the floor, known as unidirectional flow. Negative pressure is employed to prevent contaminants from escaping hazardous materials and to block external contaminants from entering. The specific items being handled dictate the type and kind of airflow system used.


Maintaining and constructing cleanrooms is expensive, averaging between $100 to $150 per square foot. A ten-foot by ten-foot cleanroom, approximately the size of a small bedroom, can cost between $10,000 and $15,000, depending on the air control system and instrumentation.


A more flexible and cost-effective option is the modular cleanroom. These adaptable, easy-to-construct cleanrooms can be effortlessly modified to meet changing needs. They offer all the benefits of more expensive cleanrooms and maintain a contamination-free environment but at a lower cost.

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Contact us today and one of our cleanroom experts will discuss the best path forwards for your project.







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