Classics is the most versatile collection of wallpapers KHROMA brand, which is based on the subtle colors and classic designs. Wallpaper in this collection provide the perfect backdrop for many arrangements. You can easily integrate into almost any interior. With a wallpaper collection Classics arrangement becomes a complete and stylish takes on the character. How to calculate the number of necessary rolls? 1. Start by measuring the length of the walls (for example. 4.5 m), the length by the width share the wallpaper, for example. 0.53 m. 4.5 m 0.53 m = 8.5 2. Multiply the result by a wall height in meters (eg. 2.75 m), be sure to include shifting the pattern (or repetition of the pattern) – This information is given in the parameters of wallpaper above: (2.75 m 0.64 m + offset pattern) x 8.5 = 28.82 m 3. The result determines the number of running meters of wallpaper, which we will need to cover a measured wall. To obtain the necessary number of rolls, it is sufficient to divide the result by the length of the rollers and round up. If the roll is 10 meters in length: 28.82 m 10 m = 2.88 roller Do not include in the calculation of the surface of the doors and windows.