May 18, 2026
If you\'ve been looking into cleanrooms for pharmaceutical manufacturing, or even medical devices, you may have come across the term \"aseptic cleanroom.” Though not strictly a formal classification, the term has become a common way to refer to cleanrooms designed for a...
Read more about What Are “Aseptic” Cleanrooms? A Short Guide
April 25, 2026
It should go without saying that not all particles in a cleanroom are the same, even though ISO standards may appear to treat them as such. Some are inert, like dust, while others are alive and capable of multiplying. Before building a cleanroom, it’s important to un...
Read more about Viable vs. Non-Viable Particles in Cleanrooms
April 16, 2026
If you’re planning on building a cleanroom, one of the most important aspects of design is figuring out how the air will be filtered and moved through the space. The two common options are fan filter units (FFUs) and air handling units (AHUs). Both have the same purpose...
Read more about Fan Filter Units vs. Air Handling Units for Cleanrooms
April 9, 2026
It is often said that the biggest source of contamination in any cleanroom is people. Even while standing still, a person sheds around 100,000 particles per minute. Now add walking, head scratching, and other kinds of movement, and the total is raised to several mill...
Read more about Cleanroom Gowning Procedures: A Simple Guide
March 24, 2026
Building a cleanroom is one thing, but proving it works is a different story. In this article, we\'ll cover what cleanroom validation is, the main qualification stages, what gets tested, and more. What Is Cleanroom Validation? Simply put, cleanroom validation is t...
March 15, 2026
You often hear it said that filters (HEPA/ULPA) are the “backbone” of cleanrooms. This isn’t necessarily wrong. However, filters on their own can only do so much. Even with the best filters in the world, if the air inside your cleanroom flows from a “dirtier” space i...
Read more about Cleanroom Pressure Cascades: What They Are and How They Work
March 7, 2026
Defense and military cleanrooms are some of the most compliance-heavy environments that exist. The reason for this is that the stakes are much higher. If a few particles find themselves in a piece of equipment, it could cause catastrophic failures. In this article, we\'...
Read more about Defense and Military Cleanrooms: A Complete Guide
December 17, 2025
Allied Cleanrooms will be exhibiting at MD&M West 2026, which takes place from February 3rd to the 5th at the Anaheim Convention Center. We’ll be there alongside other manufacturers, engineers, and suppliers across the medical device, pharmaceutical, and life scienc...
November 12, 2025
Before your cleanroom is built, it can look perfect on paper or in theory. You may even feel good about having designed an efficient space. The only problem is that it has never been tested in real life. That’s when businesses discover they can’t access the HEPA filters...
Read more about Post-Build Cleanroom Planning: What to Know Early On
November 2, 2025
When planning a cleanroom or starting a checklist, it’s very tempting to jump straight into the design. However, before any quotes, you’ll need a clear URS (user requirement specification). In this guide, we’ll cover what a cleanroom URS is, what to include within it, a...
Read more about How to Create a Cleanroom URS: A Short Guide
October 24, 2025
A simple mote of dust in the wrong place at the wrong time can destroy products, and even make them dangerous to consumers. What’s more, this doesn’t usually happen by any dramatic actions, but mostly through negligence. Particles are so tiny and so invisible, that many...
October 9, 2025
To newcomers, the cleanroom industry can appear full of overlapping jargon that’s hard to make sense of. Someone on your team might require you to source a Class 100,000 space, but a manufacturer may respond with a proposal for an ISO 8 space. Are these the same or diff...
Read more about What Is a Class 100000 Cleanroom? Requirements and More