Cleaning a cleanroom needs to be done with great precision. Check out this guide to learn how to clean a cleanroom.
Clearly, when it comes to maintaining a cleanroom, cleaning is kind of important. There are strict protocols to follow to ensure that the cleanroom remains just that – a totally sanitized space that is suitable for its purpose.
Before beginning to clean your cleanroom, you’ll need to suit up.
That means putting on a cleanroom suit, which consists of a white coverall. This is usually one piece, and incorporate overshoes and a hood. They are designed to ensure that no skin cells or hair are shed in a controlled environment.
Given that 80% of contamination in a cleanroom comes from people, you can see why even when cleaning, suiting up is important.
Each cleanroom will have its own specific protocols that dictate the cleaning detergents and disinfectants that can be used, and how frequently they should be cleaned.
The first stage is to clean the room thoroughly with detergent, before disinfecting.
Cleaning the Walls
Begin the cleaning by cleaning the walls. Take a dedicated, cleanroom mop and bucket with the detergent solution already prepared.
Carefully wet the mop. Starting in the furthermost corner away from the door, place the mop in the top right-hand corner and bring it down the wall in a straight, even stroke.
Continue in overlapping strokes along the wall. Take care not to allow the mop to touch the floor. If it comes into contact with the floor, replace the mop head and continue.
Rewet the mop approximately every two meters.
Alternative methods include using horizontal strokes, or vertical to the half-way point, and horizontal for the lower portion. This prevents the transfer of dirt from the lower to the upper parts of the walls.
Cleaning the Floor
Again, begin in the corner furthest from the door.
Charge the mop with disinfectant. As for the walls, use overlapping, straight line strokes to cover the area of the floor. Continue mopping the whole room, rewetting the mop about every square meter.
Work your way back towards the entryway, and do not step on any parts that have been mopped. The S Curve method can also be used instead of place and pull.
The Bottom Line: How to Clean a Cleanroom
Cleaning a cleanroom requires suiting up, assembling the right equipment and supplies ahead of time and following strict protocols that even govern how you mop the floors and walls.
Following these will ensure that the room remains sanitized and fit for purpose.
At Blue Thunder Technologies, we're a premier supplier of products for controlled environments. If you're running a cleanroom, we have everything you need to keep it up to standard.
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