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Replacing the wallpaper in your home can alter the appearance of any room dramatically, but it can seem a daunting task. Our experts have put together some basic instructions and top tips to allow you to confidently tackle this home decorating task. All you need to do now is choose the wallpaper that reflects your style.
Cut enough lengths of your wallpaper to complete the first wall in your room, allowing 100mm for trimming the edges. If you have a paper with a large repeating pattern or design that needs matching you may need to allow more than this. Push a length of paper into the top corner of the wall you are starting with, and with a pencil mark the wall about 25mm from the free edge. Place the plumb line at ceiling height and so that the line passes through the pencil mark you made earlier. Make several more pencil marks down the length of the plumb line and join together using the batten or long ruler.
Put your paper face-side down on your pasting table and put some paste into the centre of the length. Using your brush in a herringbone pattern spread the paste to the edges of the paper, ensuring complete coverage. Carefully fold the pasted sides inwards, being very careful not to get any paste on the face-side. Hang the first piece over a broom handle suspended between two chairs. Apply paste to a couple more pieces in the same way as the first. By letting the paper rest in this way before hanging, it allows the paper to absorb some of the paste making it more supple and easier to work with.
Carefully press the top of the first length of paper against the top of the wall allowing a 50mm overlap at the top. Slide the edge of the paper up to the wertical line you’ve drawn, and carefully smooth out the paper with your smoothing brush, work down the complete length, carefully unfolding and smoothing out as you go, ensuring the edge sollows the pencil line all the way down. Trim off the excess at top and bottom. Hang the next length in the same way, taking care to match the pattern as you go. Make sure the edge is neatly butted against the edge of your first piece with no gaps. Use a clean, damp sponge to remove any excess paste. Repeat the process for each paste, in all cases ensuring that all the edges meet neatly and that the patterns are matched.
When you get to an internal corner, carefully measure from the last full piece you’ve hung to the corner and add on 15mm. Trim your length of paper to this width and hang as usual. The small overlap piece of 15mm goes neatly into and around the corner. The next length of paper will then cover this overlap. You can use the same technique for external corners but allow a larger over lap of 25mm, and hang the next piece 12 mm from the edge of the corner still covering part of the excess that you measured out.
When purchasing your paper, always ensure that all the rolls have the same batch number, ensuring that you do not get any slight variations in colour. If you get an air bubble, use a knife to cut a small cross into the centre of it. Carefully put some paste under the flaps you have created and press down using a small roller. Removing cover plates from plug sockets and light switches (after ensuring the electricity is turned off!) makes it easier to trim and to cover any edges with the cover plates when they are replaced