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Papering round an external angle.
When papering walls allow an overlap of between 1½" and 2". On window reveals the overlap may reach in to the window frame. On lightweight papers a ½" overlap may be sufficient.
Corners are seldom perfect so the wallpaper may need to be worked a bit (i.e. manipulated around the corner).
The next length that is to be hung up to the small overlap may have to overlap it a bit in order to get the length vertical.
Corners.—Corners will present a little difficulty to the beginner, because, however accurate they may look, they are frequently a little out of the true. A whole width of paper should never be used when turning a corner, but the following procedure adopted:
Measure the wall space between the last length of paper hung and the angle of the corner. Owing to the variation referred to above, it is a wise precaution to take measurements at top and bottom of the wall. A length which has already been cut and pasted should then be cut to the wider of these two measurements, plus an extra ¼ inch, and should be hung, special care being taken to force the paper well home into the angle. The surplus ¼ inch should be brought round on to the next wall.
The remainder of the length divided in this manner is hung on the other side of the corner, but a vertical line should first be snapped on the wall and the paper hung from this to the angle, where the joint will be made.
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A joint, however, should never be made at the angle of an outward corner, such as, for example, at the front corner of a chimney breast, where it would be far too noticeable. Part of the width of the paper must be turned well round the bend, and the join effected in as inconspicuous a position as possible.