We were treating an old APP torch down roof in Vancouver today. Aluminum paint is applied to provide UV protection. Without this protection the roof will degrade at a faster rate then usual. But man… when you paint that stuff on, it is hard to look at! It’s so reflective I wound up squinting all day long. I like to put two coats on so I have gone out and bought a new pair of sunglasses for tomorrow. Hope people don’t think I’m getting an attitude!