2.5 Lb Expanded Metal Lath Galvanized Diamond Mesh Stucco Plaster Reinforcement WSFIVIN 2.5 lb expanded metal lath is a galvanized diamond mesh sheet designed for stucco and plaster reinforcement in residential and commercial construction. Key Features 2.5 lb / sq.yd Weight: Medium weight provides an ideal balance of strength and workability for plastering. Galvanized Diamond Mesh: Uniform diamond openings deliver consistent plaster keying and crack resistance. ASTM C847