10 things you should know about metal mesh for stucco: an essential guide

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1. What is metal mesh for stuccometal mesh for stucco?

Metal mesh for stucco is a woven wire mesh or expanded metal that is used as reinforcement for traditional stucco finishes. The mesh provides extra strength and durability to the stucco, helping it resist cracking and other damage.

2. Why is metal mesh necessary for stucco?

Stucco is a brittle material that is prone to cracking and other forms of damage. Metal mesh helps reinforce the stucco, preventing cracks and other damage from forming. Additionally, the mesh provides a stronger bond between the stucco and underlying substrate, ensuring a more secure installation.

3. What types of metal mesh are available for stucco?

There are two main types of metal mesh used for stucco: woven wire mesh and expanded metal. Woven wire mesh is made of interlocking wires that create a tightly-woven pattern, whereas expanded metal is made of metal sheets that are cut and stretched to create a diamond-shaped pattern. Both types of mesh are effective for reinforcing stucco.

4. What materials are used to make metal mesh for stucco?

Metal mesh for stucco can be made from a variety of materials, including galvanized steel, stainless steel, and aluminum. Galvanized steel mesh is the most commonly used due to its affordability and resistance to corrosion.

5. How is metal mesh installed for stucco?

Metal mesh is typically installed over the substrate (typically a wall) before the stucco is applied. It is attached to the substrate using staples or nails, and overlapping seams are secured using wire ties or zip ties. The mesh should be securely fastened to the substrate to ensure optimal reinforcement.

6. Can metal mesh be used with synthetic stucco?

Metal mesh can be used with synthetic stucco, also known as Exterior Insulation and Finish System (EIFS). In this case, the mesh is often used as a base layer to provide additional reinforcement before the final synthetic finish is applied.

7. What size mesh should be used for stucco?

The size of the mesh used for stucco depends on the application. Typically, a 17-gauge woven wire mesh with a 1/8-inch aperture is used for stucco reinforcement, but other sizes and gauges may be used depending on the specific application.

8. How does metal mesh affect the appearance of stucco?

Metal mesh for stucco is generally not visible once the stucco is applied and finished. However, if the stucco is damaged and the mesh is exposed, it may be visible. Some homeowners opt for a decorative finish that intentionally exposes the metal mesh for added visual interest.

9. What is the lifespan of metal mesh for stucco?

Properly installed metal mesh can provide reinforcement for stucco that lasts for the duration of the building's life. However, proper maintenance and repair of the stucco is key to ensuring the longevity of the mesh.

10. Is metal mesh for stucco required by building codes?

Many building codes require the use of metal mesh or similar reinforcement for stucco. This is because stucco is prone to cracking and other damage, and the mesh provides added strength and durability that helps prevent such damage from occurring. It is important to check local building codes to ensure compliance before installing stucco.

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