What is wallpaper? What are its functions, advantages and disadvantages?

Wallpaper is a common wall material, which is made of bleached chemical wood pulp by coating, printing, embossing or plastic covering.

? Advantages: rich patterns and stronger selectivity. Strong sense of decoration, can better cover the cracked wall, and has low requirements on paving technology.

? Disadvantages: wallpaper requires high humidity on walls and indoors. The humidity is too high, and it is easy to get wet, moldy and curly. Wallpapers with poor flame retardancy are poor in environmental protection and easy to pollute the indoor environment.