Double Roll Wallpaper Length. Most rolls are priced and measured as a single roll but are sold as a double roll. While single and double rolls of 27 width paper are usually 13 5 long and 27 long respectively. The standard size of a double roll of wallpaper is 21 in.
This means that if you order four single rolls of wallpaper what will actually be delivered to your home or office will be two double rolls of wallpaper each roll will be equivalent to two single rolls of wallpaper. Please keep in mind that roll widths lengths will vary by manufacturer.
The standard size of a single roll of wallpaper is 21 in.
A single roll of 21 wallpaper is approximately 16 5 long. Depending on the wallpaper sheet width a double roll covers 57 to 61 square feet while a single roll is 29 to 31 square feet. A single roll of 27 wallpaper is approximately 13 5 long. Remember wallpaper only comes in double rolls even though they price out the cost in single roll quantities.