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How to apply paper tape on tapered edge plasterboard

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30 Aug 2019
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Quick question, how do I apply paper tape on the tapered edge of the plasterboard?

Does the paper have to follow the V shape or be applied straight (by first creating a flat bed with the filler)?
 
Follow the V I should think.

Paper tape is rubbish, scrim tape is better by far.

My understanding is that paper tape is more difficult to apply but has a higher shear strenght; scrim tape (fiberglass) can still cause cracks, especially if there is movement along its length
 
Whenever I've seen a paper tape it's cracked all the way along the edges.

Scrim tape allows the plaster to go in the little holes so it holds itself together nicely.

But that's only my opinion.
 
The recommendation I had from a friend at lafarge was scrim tape for skimming, paper tape for tape and joint. That's always worked for me. For the paper tape apply a smear of easifil into the v of the join, push the tape into it then another go of easifil over the top. The tape should go into the v and effectively stick to the surface of the board.
 

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