Clear the wall of nails, outlet covers, and debris before starting.
Clean the wall with a damp sponge and let it dry completely.
Apply a wallpaper primer/sealer to ensure proper adhesion.
Measure the height of the wall and cut the first strip with 2 extra inches.
Mark a vertical plumb line using a level to guide the first strip.
If using unpasted wallpaper, apply adhesive evenly to the back.
For pre-pasted wallpaper, soak the strip in water per manufacturer instructions.
Fold the pasted strip onto itself (book it) and let it rest for the recommended time.
Align the top of the strip with the ceiling and the edge with the plumb line.
Smooth the strip from the center outward using a wallpaper smoother.
Use a utility knife and straight edge to trim excess at the top and bottom.
Wipe off any excess paste with a damp sponge immediately.
Cut and align the next strip, matching the pattern carefully.
Hang the second strip tightly against the first without overlapping.
Smooth and trim the second strip as before.
Use a seam roller to press down the seams for a tight bond.
Repeat the process for all remaining strips, maintaining pattern alignment.
Cut around outlets and switches carefully with a utility knife.
Reinstall outlet covers and fixtures once wallpaper is dry.
Allow wallpaper to dry completely before touching or cleaning.
