Should I use scrim tape on hairline cracks before skimming?

Question

Hello all
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.

Lee · Accepted Answer

Yes, you can use the webbing tape then bond the parts with the cracks and then skim the wall.

Gary · Answer

Using scrim on cracking walls is okay, especially if cracks are deeper due to movement  in the plaster and it hasn't blown, sounds as if yours are shrinkage cracks which is unnecessary to scrim, once primed and skimmed will disappear

Mike · Answer

Hi, me personally I would tape the cracks prior to replastering

Jake · Answer

as long as scrim tape is used it would be fine the can skim over.

Abdul · Answer

Hello yes this is acceptable for hairline cracks with  no movement or loose material and poses no risk to the plaster.
Thank you 
A khan

Should I use scrim tape on hairline cracks before skimming?

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