The Trim-Tex Tear Away Shadow Bead not only forms a great shadow feature but the the tear away strip also acts as a guide for your taping knife and protects the reveal from plaster.
Shadow & Reveal Beads
Flat Tear Away® L Bead for Drywall
CTE - Technical Building Code, PDF, Verification And Validation
Shadow & Reveal Beads Wallboard Tool Company
Shadow & Reveal Beads
Certainteed 8' 90 Degree ProRoc Aqua Paper Cornerbead
L Beads
10mm Archway Shadow Bead Tear Away 3.0m Trim-Tex
Trim-Tex 72-5390T Shadow Bead Tear Away 6x10mm 3m 25 Piece 72-5390T
PLASTERBOARD PVC ANGLES, Newcastle, Maitland & Hunter