There are two main types of bead for external corners: Standard Angle Bead for use with the backing coat, & Skim Bead (Thin Coat Bead) which is used if just a Finish Coat is required.
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This is for walls that require the finish coat to be applied. Very easy
to stick up - fix tight and squarely onto the corner with drywall
screws, plaster or gripfill.
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