{"id":6094,"date":"2026-04-01T20:18:41","date_gmt":"2026-04-01T20:18:41","guid":{"rendered":"https:\/\/ingenic.es\/?p=6094"},"modified":"2026-08-04T17:30:49","modified_gmt":"2026-08-04T17:30:49","slug":"cleanroom-validation","status":"publish","type":"post","link":"https:\/\/ingenic.es\/en\/cleanroom-validation\/","title":{"rendered":"Cleanroom validation: process and final certification"},"content":{"rendered":"\n

Cleanroom validation<\/strong> is the documented, mandatory process that ensures traceability and the final certification<\/strong> of the installation. This process verifies that the room meets the critical cleanliness, pressure, temperature and filtration requirements set out by ISO 14644<\/strong>, GMP<\/strong> and the FDA<\/strong>.<\/p>\n\n\n\n

It is not a simple technical check:<\/strong> validation is a guarantee of quality and safety that ensures the cleanroom can operate within the parameters defined for its ISO class<\/strong>.<\/p>\n\n\n\n

In this article we explain how the validation<\/strong> process is carried out, what tests it includes, and why it is essential for obtaining a cleanroom’s final certification.<\/p>\n\n\n\n

What it means to validate a cleanroom<\/h4>\n\n\n\n

Validating a cleanroom<\/strong> means demonstrating, through documented tests, that the environment functions in accordance with the design specifications and applicable standards.<\/p>\n\n\n\n

The goal is to guarantee that environmental conditions \u2014 “air cleanliness, pressure, temperature and humidity<\/em>” \u2014 remain stable and within established limits.<\/p>\n\n\n\n

Validation is mandatory in sectors such as:<\/strong><\/p>\n\n\n\n

    \n
  • Pharmaceutical and biotechnological.<\/li>\n\n\n\n
  • Hospital and healthcare.<\/li>\n\n\n\n
  • Microelectronics and optics.<\/li>\n\n\n\n
  • Cosmetic and food.<\/li>\n<\/ul>\n\n\n\n

    Regulations applicable to validation<\/h4>\n\n\n\n

    The main international standards governing cleanroom validation<\/strong> are:<\/p>\n\n\n\n

      \n
    • ISO 14644-1: classification of air cleanliness according to particle concentration.<\/li>\n\n\n\n
    • ISO 14644-2: continuous monitoring and performance requirements.<\/li>\n\n\n\n
    • ISO 14644-3: test methods and performance testing.<\/li>\n\n\n\n
    • GMP (Good Manufacturing Practices<\/em>): good manufacturing practices in the pharmaceutical industry.<\/li>\n\n\n\n
    • FDA 21 CFR Part 210-211: regulations for pharmaceutical manufacturing facilities.<\/li>\n<\/ul>\n\n\n\n

      Complying with these standards ensures the installation is safe, traceable and certifiable.<\/p>\n\n\n\n

      Qualification stages: IQ, OQ and PQ<\/h4>\n\n\n\n

      Validation is carried out in three main phases, covering everything from installation to the room’s daily operation.<\/p>\n\n\n\n

      1. IQ \u2013 Installation Qualification<\/strong><\/p>\n\n\n\n

      Verifies that all equipment, systems and components have been correctly installed in accordance with the design and technical specifications.<\/p>\n\n\n\n

      This includes reviewing:<\/p>\n\n\n\n

        \n
      • Technical documentation (drawings, material certificates, factory test reports).<\/li>\n\n\n\n
      • Electrical and mechanical connections.<\/li>\n\n\n\n
      • Correct placement of HEPA filters, sensors, valves and grilles.<\/li>\n\n\n\n
      • Traceability of components and construction materials.<\/li>\n<\/ul>\n\n\n\n

        2. OQ \u2013 Operational Qualification<\/strong><\/p>\n\n\n\n

        Confirms that systems function according to defined parameters under normal operating conditions.<\/p>\n\n\n\n

        Tests are carried out on:<\/strong><\/p>\n\n\n\n

          \n
        • Airflow and velocity.<\/li>\n\n\n\n
        • Differential pressure between zones.<\/li>\n\n\n\n
        • Temperature and relative humidity.<\/li>\n\n\n\n
        • Integrity of HEPA and ULPA filters.<\/li>\n\n\n\n
        • Alarms and automatic control systems.<\/li>\n<\/ul>\n\n\n\n

          3. PQ \u2013 Performance Qualification<\/strong><\/p>\n\n\n\n

          Evaluates the room’s performance during actual use, with staff and equipment operating.<\/p>\n\n\n\n

          This includes:<\/strong><\/p>\n\n\n\n

            \n
          • Particle counts at rest and in operation.<\/li>\n\n\n\n
          • Microbiological testing.<\/li>\n\n\n\n
          • Pressure recovery tests.<\/li>\n\n\n\n
          • Work simulations.<\/li>\n<\/ul>\n\n\n\n

            Once these three stages have been passed, the room is considered validated and can receive its official certification<\/strong>.<\/p>\n\n\n\n

            Key tests: ISO and GMP compliance testing<\/h4>\n\n\n\n

            During the process, specific tests are carried out to verify compliance with ISO and GMP criteria<\/strong>:<\/p>\n\n\n\n

            Type of test<\/th>Objective<\/th>Applicable standard<\/th><\/tr><\/thead>
            Particle count<\/td>Determine the ISO cleanliness class.<\/td>ISO 14644-1<\/td><\/tr>
            HEPA filter integrity test<\/td>Verify the absence of leaks.<\/td>ISO 14644-3<\/td><\/tr>
            Airflow visualization (smoke)<\/td>Check directionality and coverage.<\/td>ISO 14644-3<\/td><\/tr>
            Differential pressure measurement<\/td>Confirm the gradient between zones.<\/td>ISO 14644-3<\/td><\/tr>
            Airflow rate and velocity test<\/td>Verify laminar or turbulent flow.<\/td>ISO 14644-3<\/td><\/tr>
            Particle recovery test<\/td>Evaluate the effectiveness of the filtration system.<\/td>ISO 14644-3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

            These tests must be carried out by qualified personnel using calibrated, certified instruments.<\/p>\n\n\n\n

            Legal traceability: the final validation report<\/h4>\n\n\n\n

            Every validation<\/strong> must be documented and traceable, including:<\/p>\n\n\n\n

              \n
            • Test and inspection reports.<\/strong><\/li>\n\n\n\n
            • Equipment calibration certificates.<\/strong><\/li>\n\n\n\n
            • Updated drawings<\/strong> and flow diagrams.<\/strong><\/li>\n\n\n\n
            • Signed and approved IQ\/OQ\/PQ protocols.<\/strong><\/li>\n\n\n\n
            • Material and filter certificates.<\/strong><\/li>\n<\/ul>\n\n\n\n

              This documentation is necessary for internal audits<\/strong>, regulatory inspections or periodic recertifications.<\/p>\n\n\n\n

              Revalidation frequency<\/h4>\n\n\n\n

              Validation is not a one-time process; it must be repeated periodically or after any significant modification to the room, such as:<\/p>\n\n\n\n

                \n
              • Change of use<\/strong> or zone reconfiguration.<\/strong><\/li>\n\n\n\n
              • Replacement of filters or HVAC equipment.<\/strong><\/li>\n\n\n\n
              • Structural repairs<\/strong> or expansions.<\/li>\n\n\n\n
              • Failures detected<\/strong> during audits.<\/li>\n<\/ul>\n\n\n\n

                In general, a complete annual revalidation, or one every two years, is recommended, depending on the type of installation and the requirements of the client or health authority.<\/p>\n\n\n\n

                Benefits of proper validation<\/h4>\n\n\n\n

                A complete validation<\/strong> provides direct advantages:<\/p>\n\n\n\n

                  \n
                • Compliance with ISO<\/strong>, GMP<\/strong> and FDA<\/strong>.<\/li>\n\n\n\n
                • Guaranteed product and staff safety<\/strong>.<\/li>\n\n\n\n
                • Lower risk of cross-contamination<\/strong>.<\/li>\n\n\n\n
                • Greater operational and energy efficiency<\/strong>.<\/li>\n\n\n\n
                • Traceability and easier audits<\/strong>.<\/li>\n\n\n\n
                • An image of reliability<\/strong> with clients and regulatory bodies.<\/li>\n<\/ul>\n\n\n\n
                  \n

                  Validating a cleanroom is not a simple technical check: it is the guarantee that the environment meets the safety, quality and traceability standards required by international regulations.<\/p>\n<\/blockquote>\n\n\n\n

                  Cleanroom validation<\/strong> is an essential technical and regulatory process to ensure that facilities operate within established cleanliness, pressure and temperature parameters.<\/p>\n\n\n\n

                  At ISL Salas Limpias<\/strong>, we carry out comprehensive cleanroom<\/strong> validations in accordance with ISO 14644, GMP and FDA<\/strong> standards, including IQ\/OQ\/PQ testing<\/strong>, particle testing<\/strong> and final certification<\/strong>.<\/p>\n\n\n\n

                  Contact us to validate your cleanroom and ensure compliance with international quality standards.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

                  Cleanroom validation: process and final certification. Learn about the IQ\/OQ\/PQ stages and the essential validation tests to comply with ISO 14644 and GMP.<\/p>\n","protected":false},"author":2,"featured_media":6093,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73,99],"tags":[],"class_list":["post-6094","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality","category-regulations"],"acf":[],"_links":{"self":[{"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/posts\/6094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/comments?post=6094"}],"version-history":[{"count":2,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/posts\/6094\/revisions"}],"predecessor-version":[{"id":6261,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/posts\/6094\/revisions\/6261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/media\/6093"}],"wp:attachment":[{"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/media?parent=6094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/categories?post=6094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ingenic.es\/en\/wp-json\/wp\/v2\/tags?post=6094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}