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Cavity Net DT

Mortar Trap

1MT/2MT

Mortar Trap

📎 Submittal Required

Please download and complete the Cavity Net DT Submittal Sheet before purchase to ensure proper selection and installation.



Cavity Net DT – Mortar Suspension Mesh

Prevents mortar blockage and ensures wall drainage performance.

Cavity Net DT is a high-performance mortar suspension system designed to catch and permanently hold mortar droppings above flashing and weep holes in masonry cavity walls. Its patented dovetail shape breaks up mortar clumps, preserving airflow and drainage paths so water can exit the wall system freely.

Constructed from 90% open-weave HDPE or nylon mesh, Cavity Net DT is mold-resistant, moisture-neutral, non-reactive with common building materials, and designed to last the life of the structure. It installs easily without tools or adhesives, standing freely in the cavity.


Product Features:

  • Catches and suspends mortar droppings to prevent weep hole blockage

  • 90% open mesh allows air and water to pass through easily

  • Dovetail profile helps break up mortar and maintain flow paths

  • Will not absorb moisture, support mold, or degrade over time

  • Compatible with standard flashing and weep systems

  • Requires no fasteners, adhesives, or special tools for installation


Available Thicknesses:

  • 1"

  • 2"

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