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We have recently stripped wallpaper from a wall as part of our renovations and found some hairline cracks along the plaster. (The plaster itself is still completely solid and no loose sections to worry about.) I had been advised to use scrim tape for hairline cracks in plaster.
Before priming the walls to be skimmed, should these cracks be sealed with scrim tape, before the walls are primed to be skimmed?
Is there any risks to the plaster over the long term by using the scrim tape?
If anyone has any other suggestions for hairline cracks, besides re-plastering the section, please let me know.