The success of wallpapering is related to various factors. The walls must first be flat, clean and dry. The prior cutting of the strips as well as their finishing leveling are also essential. On them depends the impression of uniformity of the upholstered room. The right things to do…

Measure and cut the strips of wallpaper

Start by noting the width of the wallpaper rolls : often 50 cm. Using a tape measure and a pencil, transfer it to the wall by drawing long vertical lines.

Then measure the height of the room and cut the lengths accordingly. To be comfortable, plan a long trestle table. Attention ! When cutting the lengths, systematically allow at least five centimeters more, to avoid a series of too short lengths.

If you want to hang patterned wallpaper , make sure that the seams match . It is obviously a little more complicated than the installation of a plain wallpaper. Don’t hesitate to put markers or successive numbers on the back of each strip.

Then start cutting with scissors or a cutter. In order not to deviate, help yourself with a flat ruler. And if you’re afraid of confusing the surface to be glued with the visible side of the length, mark the back with a pencil cross.


Trim the strips

In old buildings in particular, it is rare for the walls and ceilings to be perfectly straight. The leveling consists in cutting the pieces of wallpaper already glued, to equalize them, at the level of the baseboards and the ceiling.

In this case, carefully bend the protruding parts using a metal ruler for more precision. Cut with a cutter, with a dry gesture, so as not to deviate. If there are traces of superfluous glue, erase them with a damp sponge.

Cut corner strips

To put the wallpaper in the corners of a room, you have to cut 2 lengths. The joint being made precisely in the angle. Always add an extra 3 cm and count more if the wall is not quite straight.

On the contrary for the outgoing angles, those which are exposed to the passage, do not cut nor paste the wallpaper on the angle. It would run the risk of peeling off and must cover the entire angle. Plan accordingly by adding at least 5 cm.

To know. In case of irregular re-entrant angles, do not hesitate to “cheat” by adding or subtracting material according to the irregularities.

Also check: Blackboard DCCCD

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