Can aluminum foil facing be used as a reflector?

Yes, aluminum foil facing can be used as a reflector. Aluminum foil has a highly reflective surface, which makes it suitable for reflecting light and heat. The shiny side of the foil is particularly effective due to its smooth and polished finish. It is commonly used in various applications such as cooking, gardening, and DIY projects to reflect heat or light. However, it's not as efficient as specialized reflective materials like mirrors or aluminum-coated fabrics, and it can degrade over time with exposure to elements.