Lath, Expanded

Definition

Metal lath that has been stamped with a pattern and then expanded to create an open grid to accept wet plaster.

Purpose

Expanded lath provides a strong and stable base for the application of plaster. The open grid allows the plaster to key into the lath, ensuring a secure and durable finish.

Examples of Use

• Plaster walls: Expanded lath is used as a backing for plaster on walls and ceilings in both residential and commercial buildings.
• Stucco exteriors: It forms the base for stucco applications on exterior walls, providing support and improving adhesion.
• Fireproofing: Used as a substrate for fireproofing materials applied to steel structures.

Related Terms

• Plaster: A building material used for coating walls and ceilings.
• Stucco: A type of plaster used for coating exterior walls and surfaces.
• Reinforcement: Material used to provide additional strength and stability.

Notes

• Proper installation of expanded lath is crucial for the structural integrity of the plaster finish.
• The material should be securely fastened to the framing to prevent movement and cracking of the plaster.
• Expanded lath is available in different patterns and weights to suit various applications and performance requirements.