Ensure that the glass is clean by using a glass cleaner or soap and water with a micro fiber cloth. Apply using very thin coats, allowing the paint to dry for 1 minute between coats. Apply up to 5 coats to achieve the desired mirror effect. For added protection or reflectivity, apply a thin coat of Rust-Oleum® Ultra Cover 2X Matte Clear. For a darker appearance, apply a thin coat of Rust-Oleum® Ultra Cover Flat Black to the painted side of Silver Mirror Effect.