Diamond Security Lath (for Plaster)

A Heavy-Duty Galvanized Expanded Steel Plaster/Stucco Base

A superior multi-purpose expanded steel base widely used for interior and exterior plaster and stucco reinforcement for secured applications. Expanded metal lath is formed from sheet steel that has been slit and expanded to form plaster “keys”. Its time proven exceptional strength makes it the preferred metal base requested by quality contractors and design professionals looking to create physically secured plaster assemblies.
  • Multiple Application Uses in Security Plastering/Stucco
  • Provides a superior Barrier to Penetration

Product Data & Ordering Information

Material: G-60 Hot-dipped Galvanized Steel Sheet
Packaged: Sheets stacked individually on pallet

Product Code


Sheet Size

Weight per
Sq. FT.

CDBS-SL 16 GA 27" x 97" 0.85686

ASTM & Code Standards:

  • ASTM F1267 - Standard Specification for Metal, Expanded, Steel
  • All ClarkDietrich Expanded Metal Security Lath is fabricated from prime pregalvanized steel (G60 zinc coating) by the hot dipped method, conforming to Specification
    ASTM A-653/A-653M. 
  • For installation and placement instruction refer to ASTM C1063 and C841
  • Security lath sheets produced to ASTM F-1267
  • SDS & Product Certification Information

Galvanized steel products should not be used with magnesium oxychloride cement stucco or Portland cement stucco containing calcium chloride additives. Follow control joint and expansion joint recommendations outlined in ASTM C-1063, section 7.11.4