Since the walls are

When the area of ​​the required number of wallpaper, the volume of paint is calculated, then you need to contact one of the construction supermarkets and call the resulting figure. Consultants will advise you this or that material and offer the right amount with a small margin. It must be remembered that during the first painting of the walls, the amount of paint is multiplied by two, since the walls are painted in 2 layers.