Work from the highest point of the sloped ceiling at your starting corner, allowing the excess paper to stick on the ceiling to keep it from hanging down as you go. Hang the wallpaper with the leading edge against your level starting line. Wrap 1/2 inch around the corner.Click to see full answer. Then, do you start in the middle of the wall when wallpapering?No matter how tempting it is to start in a corner of the room, resist it and hang the first piece of wallpaper in the middle of the wall. Using a plumb line and pencil, mark a vertical line on the wall. You can use a spirit level instead if you prefer.Furthermore, do you Overlap Wallpaper? No, we do not recommend overlapping your wallpaper seams. Seams should be “butted” tightly together and smoothed down with a wallpaper seam smoother. Properly “booked” wallpaper does not shrink on the wall, so you do not need to overlap. Likewise, people ask, how do you hang wallpaper for beginners? HOW TO HANG WALLPAPER: tips for beginners Choose a paste-the-wall option. Select wallpaper with no slevedge edge. Size the wall first. It’s just like painting a wall. Remember that walls aren’t straight. Cut your strip of wallpaper about 6 inches longer than the height of the wall. How do I prep a wall for wallpaper?To prepare painted walls that are already in good condition, simply wash them with a multi-surface soap and then let dry. Add an acrylic primer, and allow that to dry fully before hanging wallpaper. If the painted walls have holes, dents, or cracks, be sure to fill them with vinyl spackle.