When using aluminum foil facing, safety measures include ensuring proper ventilation to prevent build-up of fumes, wearing protective gear such as gloves and masks to avoid skin and respiratory irritation, and following manufacturer's guidelines for safe handling and application. It's also crucial to avoid contact with open flames or high heat sources as aluminum foil can melt or ignite. Always clean up spills immediately to prevent slipping hazards and ensure that the working area is well-lit to avoid accidents.