June 16, 2026
Every cleanroom filters air, but there are two ways of going about it. Which one you choose affects everything from cost to how much control you have over temperature and humidity. In this article, we\'ll explain the difference between one-pass and recirculating clea...
Read more about One-Pass vs. Recirculating Cleanrooms: What’s the Difference?
June 5, 2026
Even with advanced filtration systems, strict gowning procedures, and various controls, at the end of the day, a cleanroom is only as clean as what you let into it. Every person or item that crosses the door’s threshold brings particles in with it, and so naturally c...
Read more about 8 Things You Should Never Bring Into a Cleanroom
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
May 7, 2026
A cleanroom can look finished and still not be ready to use. Given that cleanrooms are heavily regulated spaces, there needs to be a way to confirm that everything works. And this is essentially what the commissioning process is for. In this article, we\'ll discuss ...
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
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...
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 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 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...