Clean room mats are tacky mats that help trap impurities for locations that require stringent dust and dirt control. Our clean room sticky mats feature a tacky surface which removes dirt and dust from shoe surfaces before they can contaminate a "clean room." 1. Where to place them: These mats always go at the entrance of your clean room on the outside of the room, not inside. The idea is to trap any dirt before entering the clean room. 2. Preparation for placement: Always clean the floor surface thoroughly before installing a sticky mat. The bottom of the mat has an adhesive that won’t adhere to a dirty surface. Where you are installing the mat needs to be clean and dry. So, after cleaning the floor where the mat will be installed, either wipe it dry or allow enough time for the floor to air dry. 3. Bottom adhesive: The underside of the sticky mat has an adhesive. Look closely at your sticky mat to determine which is the top and which is the bottom. Remove t...