How to use corner bead ?

[robbysand61]

Need some suggestion for applying corner bead to a drywall.. do i have apply this both inside and outside.. is mud compulsory for that..

(if not right section for it .. please remove it)

Any tips or suggestion for this.. would be helpful.

 

[roughcaster]

Corner beads are for external corners. Fix them with small nails/tacks or staples. Make sure the nails etc you use are galvanised. Use paper tape or similar for internal corners.

 

[Cabbyfan]

I used a dab of gripfill and temporary small nails to hold it until it set.