Mortar Net

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LathNet is a metal lath and drainage plane system that provides a continuous drainage plane between the lath and weather resistant barrier. The Masonry Advisory Council recommends that in exterior adhered masonry wall systems, a drainage mat be installed to drain any water that has penetrated to the flashing. A galvanized expanded metal lath, or diamond mesh, should be attached atop the drainage mat.

Quick Overview

  • Factory-assembled combination of mesh drainage plane and metal lath

  • Metal lath: Self-furring 2.5 lb. G-60 galvanized expanded steel.

    • L: 97" +1.5 -0 W: 27" +/-0.375 T: 0.25"

  • Drainage mesh: 90% open weave polyester.

    • L: 95.5" +/-0.5 W: 25.5" +/- 0.25 T: 0.25"

  • Shipped in banded bundles of 10 sheets

  • Faster installation and fewer wall penetrations than installing a drainage plane and lath separately

  • Combines proven components in an engineered and tested system

  • Factory assembly ensures consistent quality

  • Clearly shows 1" minimum lath overlap to comply with ASTM C847

  • Promotes full lath encapsulation without clogging the drainage plane

  • Drainage mesh provides an effective mortar barrier to prevent bridging

  • Continuous drainage plane allows rapid, unrestricted moisture flow to the weep holes

  • Allows unrestricted air flow behind the lath to help promote drying

  • Created and backed by industry leader Mortar Net Solutions™ in partnership with ClarkDietrich™ Building Systems

  • Assembled in the USA from 100% USA-made materials

  • 3.4 lb., self-furring dimpled steel mesh

  • 0.4" (10 mm) drainage mesh thickness

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Additional Information

Manufacturer: Mortar Net

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