Wallpaper can last up to 15 years and beyond, which makes it a cost-effective, durable way to decorate your room. It is generally accepted that properly hung wallpaper will last 3 times as long as paint. Wallpaper is a great way to decorate high traffic areas in your home. Many wallpapers are also "washable", making them easy to clean and maintain over time. Simply double check the "washability" of wallpapers you are looking at when purchasing.