Here is some information you may want to know about corner beads.
What are corner beads?
A corner bead is a metal material that is used on the corner where the two ends of a drywall meet. This creates a sharp and polished finish. Corner beading makes the edges strong to prevent any type of damage.
Do you have to use corner beads?
Yes. You should always use a corner bead for internal corners. However, external corners only need to be beaded if they have been rendered.
What is a rendered wall?
Rendering is applying cement on the external walls of a building to create a smooth or textured look.
What is the difference between rendering and plastering?
Plastering is for internal walls whereas rendering involves around external walls.
How do you get a corner bead to stay in place?
This needs to be firmly in place and affix with drywall screws.