To save material and labor on larger surfaces of exposed drywall, like deep window returns, you can’t beat the ease and efficiency of Super L Bead & Archway. This solution boasts a super-wide 3 1⁄8" return leg, and is pre-scored at 2 5⁄8", 2 1⁄8" and 1 5⁄8", making the bead fit four sizes in one. The archway version is great for finishing arched window returns.
Super L Bead Archway Installation Guide
Super L Bead Installation Guide-1
Super L Bead and Archway Submittal Sheet R1
SDS - Rigid Vinyl Drywall Accessories 01Aug2018
"3710 Super L Bead" (https://csrbuildijng.shop/owUHP) by Trim-Tex is licensed under Creative Commons Attribution (http://csrbuildijng.shop/licenses/by/4.0/).