You can add a layer mask to any type of layer or even to a multiple layers gathered in a group. To mask layer in Photoshop you simply have to be on that layer and press the Add Layer Mask button found on the layers tab. As you can see it adds a white layer mask meaning that the entire image is visible.
Accent Wall, Color, Color Consulting, Decorating, long narrow rooms, Paint, painted accent walls, Painting, what is the best wall for an accent wall. I think there are definite times when accent walls are great. I have used a darker wall at the end of a long, narrow room too with wonderful results.
Primer fills in spongelike pores and creates an even, solid base that takes paint well. You should also prime if you're going from a dark to a light color or vice versa. (In the latter case, have the paint store tint the primer to go with your wall color. It will save you at least one coat of paint later on.) Primer should also be sanded before the paint goes on the wall; for a top-notch job, sand between paint coats, too.