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How to Install DELTA®-DRY & LATH: A Step-by-Step Guide for Superior Stucco Protection

Posted by Spycor Building on Jul 11th 2025

When it comes to protecting stucco and manufactured stone installations, DELTA®-DRY & LATH stands out as a game-changer. This innovative 2-in-1 rainscreen and lath system simplifies installation, reduces labor costs, and ensures long-term durability against moisture damage. At Spycor Building Resource Hub, we’re committed to empowering builders and contractors with the knowledge and tools needed for successful projects. In this comprehensive guide, we’ll walk you through the DELTA®-DRY & LATH product profile, its benefits, and a step-by-step installation process to help you achieve superior results. Plus, download our free PDF resources for detailed product information and installation instructions.

DELTA®-DRY & LATH Product Profile

The DELTA®-DRY & LATH is a revolutionary product designed for residential and commercial stucco applications. Combining a ventilated rainscreen with a pre-installed, alkali-resistant fiberglass lath, it eliminates the need for separate metal lath installation, making it safer and more efficient. Here’s why it’s a top choice for builders:

  • 2-in-1 Solution: Integrates a High-Density Polyethylene (HDPE) rainscreen membrane with a fiberglass lath, reducing installation steps and labor costs.
  • Moisture Protection: Features Air-gap Technology with a unique dimple and groove design for two-sided drainage and ventilation, preventing moisture damage to wall assemblies.
  • Durability: The alkali-resistant glass lath is corrosion-resistant and unaffected by chemicals, ensuring long-term structural integrity.
  • Compliance: Meets ICC-ES AC 275 (MVMA requirements) and ASTM E2925-17 standards for polymeric drainage and ventilation materials.
  • Safety: Eliminates the hazards of sharp metal mesh, providing safer handling for installers.

This product is ideal for absorptive claddings like stucco and manufactured stone, offering unmatched protection against solar-driven moisture and incidental water infiltration.

Why Choose DELTA®-DRY & LATH for

Stucco Installations?

Choosing the right rainscreen and lath system is critical for ensuring the longevity of your stucco or manufactured stone project. Traditional methods often involve separate rainscreen and metal lath installations, which increase labor costs and pose safety risks due to sharp edges. DELTA®-DRY & LATH addresses these challenges by streamlining the process while enhancing performance. Its ventilated design allows moisture to escape from both sides of the wall assembly, reducing the risk of mold and structural damage. This makes it a top choice for contractors aiming for efficiency and durability in stucco installations.

Key Benefits:

  • Cost-Effective: Reduces installation time by combining rainscreen and lath into one product.
  • Eco-Friendly: Made from durable HDPE, it supports sustainable building practices.
  • Versatile: Suitable for both residential and commercial stucco and manufactured stone applications.

Step-by-Step Guide: How to Install DELTA®-DRY & LATH

Proper installation is key to maximizing the performance of DELTA®-DRY & LATH. Follow this step-by-step guide, based on the official installation instructions, to ensure a seamless process. For a visual walkthrough, check out our DELTA®-DRY & LATH Installation Video below:


Download Free DELTA®-DRY & LATH

Resources

To support your project, we’ve compiled essential resources for DELTA®-DRY & LATH. Download these PDFs for quick reference:

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