Choosing the Right Door for Your Cleanroom: Key Criteria and Standards

5 January 2026

In a cleanroom, every particle matters.

Whether in pharmaceutical laboratories, microelectronics facilities, or food production sites, these ultra-controlled environments demand absolute precision from air purity and pressure stability to airflow management and impeccable hygiene.

In this context, choosing the right door is essential. More than a simple access point, it directly contributes to preserving environmental conditions and ensuring process safety.

So, what should you look for when selecting a cleanroom door? Here are the key criteria to consider.

1. Perfect Airtightness : The Foundation of Performance

One of the first and most crucial factors is airtight and watertight sealing.

A poorly fitted or insufficiently insulated door can compromise internal pressure, allow particle infiltration, or cause temperature imbalance.

Cleanroom-ready doors must therefore ensure:

• High-performance seals for a perfectly airtight closure,
• Resistance to overpressure or underpressure, depending on the room type,
• And an effective barrier against dust, humidity, and microorganisms.

This airtightness is what maintains air purity and guarantees stable production conditions.

2. Materials Designed for Sterile Environments

The materials used to manufacture cleanroom doors must meet a double requirement: they must resist aggressive cleaning agents and prevent particle retention.

Commonly used materials include:

• 304L or 316L stainless steel, known for its durability, corrosion resistance, and compatibility with disinfectants,
• Non-porous composites and PVC or coated polyester curtains, which are easy to clean and long-lasting.

A smooth, seamless surface is essential to prevent particle buildup and to facilitate cleaning and disinfection.

3. Speed and Automation : Productivity’s Best Allies

In a cleanroom, every opening must be fast yet controlled.

The longer a door stays open, the higher the risk of contamination.

High-speed doors open and close almost instantly, reducing air exchanges between areas with different atmospheres.

Adding touch-free automated systems (radars, badges, motion sensors) helps minimize manual contact and further strengthens hygiene control.

The result:

• Smoother flows,
• Less contamination,
• And significant time savings for operators.

4. Compliance with Standards and Certifications

To be installed in a cleanroom, a door must comply with strict international standards ensuring environmental quality and operational safety.

Among the most important:

• ISO 14644 — classification and air cleanliness standards for cleanrooms,
• EN 13241 — safety and performance of industrial doors,
• HACCP — hygiene and risk management in the food industry.

Verifying these certifications is essential to guarantee both regulatory compliance and the long-term reliability of your installations.

5. Built to Last

A high-quality cleanroom door is not only about performance today, it’s about reliability over time. It should be easy to maintain, resistant to intensive use, and adaptable as your facility evolves.

Durable components, accessible spare parts, and responsive after-sales service are key factors that ensure peace of mind and operational continuity.

Maviclean: The Maviflex Solution for Ultra-Clean Environments

Developed by Maviflex, the Maviclean is a flexible high-speed door specially designed for cleanrooms and laboratories.

It meets all the essential criteria mentioned above:

• Optimal airtightness against air and water infiltration,
• 304L or 316L stainless steel frame resistant to disinfectants,
• Opening speed up to 2 m/s,
• Smooth, seamless design for easy cleaning,
• Touch-free automation options for maximum hygiene.

Reliable, high-performing, and 100 % made in France, the Maviclean complies with the most demanding ISO, HACCP, and EN standards.

It’s a long-lasting solution that ensures a controlled, safe, and compliant cleanroom environment.

Key Takeaways

Choosing the right cleanroom door is far more than a technical decision : it’s a strategic choice for safety, productivity, and compliance.

The essential factors? Airtightness, materials, speed, standards, and durability.

With solutions like Maviclean, Maviflex brings French expertise to the most demanding industries, where air purity and operational performance go hand in hand.