Paste the wall. Use a brush for the corners and a wide medium pile roller for fast application, then simply apply the dry wallpaper and cut excess.
__Roll Coverage__ These are double width rolls equal to 2 rolls in one. You should always achieve 3 drops per roll (even with pattern matching) at normal ceiling heights 2.4m (8ft). 3 drops is 3m (10ft) wide of wall per roll.