Shrunk corner papers under skimming layer of plaster

[Cynthia]

In my bedroom and bathroom the corner papers under the skimming layer of plaster have shrunk and cracked and are unsightly (usually where the wall meets the gabled angle of the ceiling). I am about to decorate these rooms and I have already tried in another room to fill with polyfiller but I cannot get an even surface. They are beyond repairing and trying to stick down again. Any suggestions?

[stoneyboy]

Cynthia,
Remove the existing paper tape and replace with plasterers reinforcing tape, you will then need to replaster the corner - blend the new plaster over a width of the existing wall.
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