Trim-Tex Vinyl 350 Bull™ Archway Bead, 10 ft. A rust-proof dent resistant PVC vinyl bead used to finish outside corners of archways (minimum 15 inch inside or 24 inch outside radius). Benefits: Extra long legs allows for strong impact resistance. Does not require filling of notches on exposed area, eliminating 1 coat of mud. Does not contain cellulose, a food source for mold. Achieves Class A rating for flame spread as per ASTM E84 standards. Self-extinguishing when source of flame is removed. Can be used with Trim-Tex 847 Spray Adhesive. Trim-Tex Vinyl Corner Bead products are designed for interior use. Data Sheet