- Cut cardboard to fit the dimensions of the interior back of your bookcase(s);
- Paste, mod-podge, or use spray-adhesive to adhere a great solid or designed wallpaper or contact paper to your cardboard;
- Push the cardboard into place; and
- Reinsert your shelves (if they are adjustable).
One thing I've learned about myself over the past several years is that I like a lot of variety. In fact, I've been accused of changing the paint colors on my walls more often than I change the oil in my car. 🙂 But one thing I've never painted is the interior of bookcases. We've all seen the style -- particularly white bookcases with a contrasting interior paint color; but all that cutting in and out with a paintbrush, particularly with fixed shelving, wears me out just thinking about it! There is a solution, however -- one that is easy AND will appeal to those of us who like to "change things up" from time to time without having to spend a fortune. Rather than paint, use wallpaper: