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.

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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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