Wallpapering a room can be a time consuming job and requires attention to detail. However, the job can be made a lot easier if you understand a few tips and tricks that can make the project flow along a little better while removing some questions from your mind. So, before you start your wallpapering project, here's some wallpapering tips and tricks to help you with your project.
How much wallpaper do I need?
You want to make sure you have enough wallpaper to finish the job because even though you may be able to get the same pattern a week later it may not be from the same dye lot and the new colors may not match your original paper.
Start by measuring the height and width of each wall, (don't worry about subtracting for doors and windows or baseboards), then multiply the two measurements to get the square footage of the wall.
Do the same for all of the walls in the room, then add the square footage numbers together to get the room's total square footage.
Now divide the total square footage by 25 to calculate how many single rolls of wallpaper you will need (this will ensure you have enough wallpaper for a large repeating pattern).
Finally, since all wallpaper is sold in double rolls divide the number of single rolls by 2 and round up to determine the number of double rolls you will need.
Be sure you have the right tools for the job
To start wallpapering you will need a good pair of scissors to cut the paper, a sturdy measuring tape, and a utility/razor knife (and lots of extra blades) for trimming the wallpaper.
Installing the wallpaper will require a large sponge or brush to smooth the paper, a putty knife to help trim the ends and a seam roller to make sure the paper edges are firmly attached.
You will also need a table to work on, a ladder or step stool and a water tray for prepasted paper or wallpaper paste and a brush for unpasted paper.
Wallpapering around doors, windows and electrical outlets
Corners around door and windows can be difficult but an easy way to do it is to hang a full sized strip over the edge of the obstruction.
Next make a diagonal cut ( a miter cut) at 45° in your wallpaper at the corner of your door or window. The angled cut will allow the wallpaper to fit around the corner and all you need to do is smooth the paper then trim it flush against the frame.
When wallpapering around electrical outlets or switches first be sure to turn off the power to them at the main panel and remove the covering plates. Hang your wallpaper right over the outlet then use your razor knife to trim around the edges of the outlet opening. Once the wallpaper has dried install the cover plate back on and the outlet is perfectly covered.