Use a Medium Flange Casing Bead, which is required at a termination point on plaster and stucco.
Plastic Components’ PVC trims for stucco, plaster, and modified stucco systems are rust-free, damage-resistant, economical alternatives to galvanized and aluminum accessories. They can be applied to various approved substrates: ULTRA-LATH PLUS® plastic lath, metal lath, masonry, wood-based sheathing products, gypsum sheathing, cement sheathing products, and block. Excellent paint adhesion. Meets ASTM standards D1784, C1063, and D4216.
Medium Flange Specification
Medium Flange Casing Bead shall be Plastic Components, Inc. All exterior accessories shall be PVC material conforming to ASTM standards D1784, C1063, and D4216-99. They shall be used where specified by the architect and installed per industry standards.
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