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Why SpiderLath Outperforms Metal Lath: Guide to Fiberglass Lath for Stucco and Stone Projects

Posted by Spycor Building on Sep 4th 2025

When embarking on a stucco or stone project, a critical decision is the type of lath you'll use. While metal lath has been the traditional choice for decades, it's often fraught with problems like rust and difficult installation. The solution lies in a superior alternative: SpiderLath fiberglass lath. This product is rapidly becoming the go-to for professionals and DIY enthusiasts due to its unique benefits that directly address the shortcomings of metal lath.

The Problem with Traditional Metal Lath

Metal lath, typically made from galvanized steel, has several drawbacks. Its sharp edges can cause cuts during installation, and the rigid material is difficult to work with, especially on curved surfaces. Most importantly, metal lath is susceptible to corrosion. When moisture inevitably penetrates the stucco, the metal rusts, leading to unsightly streaks, delamination of the finish, and structural failure over time. This corrosion compromises the integrity and longevity of the entire project, ultimately leading to costly repairs.

Why SpiderLath Fiberglass Lath is the

Superior Choice 

SpiderLath is a fiberglass reinforced polymer mesh specifically engineered for stucco and stone applications. It's a lightweight, flexible, and durable material that offers significant advantages over its metal counterpart.

  • Rust-Proof and Durable: Unlike metal, fiberglass won't rust, corrode, or rot. This ensures your stucco or stone finish remains pristine and structurally sound for decades, even in humid or coastal climates.
  • Easy and Safe Installation: The woven fiberglass mesh is pliable and can be easily cut with a utility knife, making it simple to install around corners, arches, and other complex shapes. The absence of sharp edges makes it safer to handle, reducing the risk of injury.
  • Superior Adhesion and Bond: SpiderLath's open-weave design allows the stucco to penetrate and encapsulate the mesh, creating a robust mechanical bond that prevents cracking and delamination. This superior keying action results in a more durable and long-lasting finish.
  • Lightweight and Easy to Transport: A roll of SpiderLath is significantly lighter than an equivalent amount of metal lath, making it easier to transport and handle on the job site. This saves time and reduces labor costs.


Why SpiderLath Outperforms Metal Lath:

A Quick Comparison

 

CLICK HERE to explore the full range of SpiderLath products and start your next project with confidence.

SpiderLath is the modern, smart choice for any stucco or stone project. By eliminating the risks of corrosion and making installation safer and easier, it provides a foundation you can trust for a beautiful, durable finish that will stand the test of time.

Frequently Asked Questions (FAQ)

Can SpiderLath be used for both stucco and stone veneer projects?
Yes! SpiderLath is a versatile product suitable for both traditional stucco applications and as a base for artificial stone and brick veneers.

Is SpiderLath more expensive than metal lath?
While the initial cost of SpiderLath may be slightly higher, its long-term benefits—such as preventing costly repairs and ensuring a longer-lasting finish—make it a more cost-effective choice in the long run.

Is SpiderLath code compliant?
SpiderLath meets or exceeds all relevant building codes and standards for lath materials.

How do you install SpiderLath?
Installation is straightforward. You simply staple the mesh to the wall sheathing and overlap seams as recommended by the manufacturer.

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