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
April 1, 2026
GMP cleanroom grades (A, B, C, and D) determine what kind of environment your pharmaceutical cleanroom needs to be. If you're building or upgrading a space, understanding them should be the starting point before anything else. In this article, we'll cover what each g...
Read more about GMP Cleanroom Grades: A, B, C, and D Explained
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 th...
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'l...
Read more about Defense and Military Cleanrooms: A Complete Guide
February 26, 2026
Just because a 503B cGMP cleanroom passes an initial certification, it can still later fail an FDA inspection. More often than not, the problem can be traced back to how it was designed. For 503B outsourcing facilities, the FDA expects evidence of ongoing control. If...
Read more about 503B cGMP Cleanroom Design: What Outsourcing Facilities Need
February 13, 2026
Pharmacies that start work on a new cleanroom may hear the term “cGMP” used next to 503A. This can, of course, create some real confusion about what is required. Is cGMP something that 503A pharmacies have to follow in general, or is it just a higher standard that so...
Read more about 503A cGMP Cleanrooms: What They Are And What They Aren’t
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 26, 2025
Though they have built-in systems to remove particles efficiently, daily cleanroom maintenance is still of high importance if you want your space to stay pristine. There is no way around it. Even with the best ULPA filters in the world, if no one wiped down the equipmen...
Read more about Cleanroom Maintenance: Daily Tasks to Prevent Contamination
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...
