Mortar Net WallDefender

WALLDEFENDER™ – KEEP CAVITY WALLS DRY AND FUNCTIONING PROPERLY

Maintain the integrity of your masonry cavity walls with WallDefender™, a reliable mortar-dropping device designed to prevent blockages in weep holes and ensure optimal water drainage. Its innovative design features a structural strand polymer mesh that suspends mortar droppings above the flashing and weeps, promoting better airflow and moisture management in even the tightest cavities.

FEATURES

• Dual levels for enhanced performance
• Trapezoidal shape for efficient mortar collection
• Structural strand polymer mesh for superior drainage
• Made from 40% post-consumer recycled content

BENEFITS

• Compressible design: Adapts to variations in cavity width for easy installation.
• Cost-effective alternative: Provides a competitive option to MortarNet™ with Insect Barrier.
• Keeps weeps open: Suspends mortar droppings on two levels to maintain clear pathways.
• Enhanced drainage: Mesh construction offers hundreds of pathways for moisture to escape.
• Airflow optimization: Low fiber density promotes drying and prevents moisture-related issues like efflorescence and freeze-thaw damage.
• Easy to handle: Lightweight, clean, and simple to cut—even on scaffolding.
• Durable and non-toxic: Resistant to degradation, oxidation, and reactions with building materials.
• LEED-friendly: Includes recycled content to support sustainable building goals.
• Prevents callbacks: Helps eliminate moisture damage, offering peace of mind to both masons and building owners.

AVAILABLE SIZES

• 3/8" x 10" x 5'
• 1" x 10" x 5'
• 1-1/2" x 10" x 5'
• 2" x 10" x 5'

BOX QUANTITIES

ADDITIONAL NOTES

WallDefender™ must be paired with weep holes to ensure effective drainage and drying.

Choose WallDefender™ to protect your cavity walls, reduce maintenance issues, and enhance overall building performance.

RESOURCES

• Product Overview
• Technical Data Sheet
• Submittal
• Safety Data Sheet
• Installation Instructions