How many square meters a roll of wallpaper is different, some are more and some are less, but a roll is generally 5.2 square meters. Of course, there are other specifications, such as: 5.3 m2/roll, 6.5 m2/roll, 7.0 m2/roll, 10.6 m2/roll. In addition, there will be some loss in pasting wallpaper, so when you buy wallpaper, you should also take the loss into account while counting the use area. ? 1. What kinds of wallpapers are there? 1, PVC wallpaper. This kind of wallpaper has a long service life and a relatively high price. PVC wallpaper is made of polyethylene resin. Although it is a chemical raw material, it is harmless to human body, and the pattern of PVC wallpaper is very beautiful. 2, non-woven wallpaper, this wallpaper is called breathing wallpaper, very breathable, very environmentally friendly. Non-woven wallpaper is generally made of plant fiber or chemical fiber with cotton, polyester and other materials, which can prevent fire and moisture, but the pattern and style are not as beautiful as PVC wallpaper. 3. Pure paper wallpaper can be divided into two categories: general pulp pure paper wallpaper and renewable pure paper wallpaper. Pulp pure paper wallpaper is made of pure pulp, which is very environmentally friendly, and the renewable pure paper wallpaper is even worse. Pure paper wallpaper does not contain any chemical elements and chemical raw materials, which is very environmentally friendly, but the pattern of pure paper wallpaper is not so beautiful, its waterproof and fireproof performance is poor, and its price is relatively high. ? 2. Precautions for pasting wallpaper 1. Before pasting wallpaper, check whether the wallpaper color is consistent, mainly depending on the color number and batch number. Then check the collocation of wallpaper to see whether it is forward construction or reverse construction. 2. Glue mixing, the quality of glue directly affects the service life of wallpaper, and the mixing degree of glue will also affect the construction speed and overall effect. The concentration of mixed glue is judged by whether a chopstick can stand in the glue. 3. When pasting the wallpaper, cut the wallpaper according to the height of the wall, directly and evenly apply glue on the back of the wallpaper, and paste the wallpaper on the wall vertically from top to bottom. Then gently scrape the wallpaper with a scraper until there are no bubbles and wrinkles. ? 4. It is best to prepare a dry towel when paving, and wipe off the excess wallpaper glue on the wallpaper by the way to avoid polluting the wallpaper surface. 5. After pasting the wallpaper, close the doors and windows for 2-3 days and let the wallpaper dry slowly and naturally. Remember not to turn on air conditioning, heating and other equipment at this time to prevent the wallpaper from shrinking and causing leakage. The article concludes: The above questions are all about how many square meters a roll of wallpaper is, and I hope it will help everyone. If you want to know more, please continue to pay attention to Jiahe Youju.