What should you do if you decide to put new wallpaper over old wallpaper?
Sand the old wallpaper and then vacuum the wall.
Tear away any loose pieces of the old wallpaper.
both of the above
In some instances, you may prefer to simply put up new wallpaper over old wallpaper. If this is the case, make sure to create as smooth a surface as possible by sanding the old wallpaper and removing any loose pieces.
How much wallpaper is included in a typical wallpaper roll?
26 square feet (2.4 square meters)
36 square feet (3.3 square meters)
There is 36 square feet (3.3 square meters) in a typical wallpaper roll, but estimate that you'll only get about 30 square feet (2.8 square meters) of useable wallpaper when you consider waste and trimming.
How do you determine how much wallpaper you need for a room?
Measure the total square footage of all the walls of the room and divide by 27 or 23, depending on the ceiling height.
To determine how much wallpaper you need, you need to know the total square footage of all the walls of your room. Then, divide the total square footage by 27 if your ceiling height is 8 feet (2.4 meters) or less or 23 if the ceiling height is 9 or 10 feet (2.7 or 3 meters). The final number is how many single rolls of wallpaper you need.
Measure the square footage of the ceiling and multiply by six.
Measure the perimeter of the room and multiply by eight.
What should you do before you put up wallpaper in a corner?
Measure the distance from the last piece of wallpaper to the corner.
Before you put up wallpaper in a corner, you must first measure the distance between the last piece of hanged wallpaper and the corner. Add half an inch to this measurement, and this will determine how big a piece you need to cut for this spot.
Measure the total amount of wallpaper needed for both sides of the corner.
Measure and cut your wallpaper so that the wallpaper lines up with the door frame.
Overlap the wallpaper over the door frame and cut off the excess with a utility knife.
For a smooth and professional look its best to overlap the wallpaper over the door frame. Next, cut off the excess wallpaper with your sharp utility knife, trying to get into the crease as much as possible.