Measure the area for the backsplash. Measure the wallpaper.
Lay the wallpaper strip on a flat surface. Place the yardstick along any edges that need to be trimmed or cut. Use the level to ensure a straight, level edge. Measure once more for accuracy and cut each edge to size.
Soak pre-pasted paper in a tub of room-temperature water for 30 seconds or apply wallpaper glue to the back of the paper.
Fold the paper in half, pressing the glued sides against one another and allow the glue to develop for another minute or until the glue has begun to thicken.
Press the paper gently into position against the wall. Run a towel or rag over the top of the paper to remove moisture. Push any air or excess glue bubbles out from beneath the paper.
Allow the glue to dry for one to two days before painting.
Apply metallic paint gently with a soft paintbrush for a foil effect. You may have to press the bristles into the wallpaper texture to fully cover the area. Allow to dry overnight, then apply a second coat of paint.